Photo technique: Landscapes

A four wheel drive vehicle crosses the sand dunes in the late afternoon sun near Egypt's western desert oasis of Siwa on February 3, 2002. (Reuters)

Members of a group of Maltese mountaineers, training for a charity climb up Tanzania's Mount Kilimanjaro, reach the summit of Sicily's Mount Etna, the largest and most active volcano in Europe, as toxic sulphur fumes spew all around them October 16, 2005. (Reuters)

Tourists rest above a hill in Valle de la Luna (Moon Valley) located inside the nature reserve of Los Flamencos in the Atacama Desert, near San Pedro de Atacama in northern Chile, April 27, 2005. (Reuters)

A youngster walks along the banks of the Merced River, in view of El Capitan (L), and Bridalveil Fall (R) in Yosemite National Park, California May 17, 2009. (Reuters)

A boat sails at sunset through an area on the Yangzte River in the Hubei Province near the town of Badong in central China November 5, 2007. (Reuters)

Tourists ride camels in front of Giza pyramids on April 23, 2006. (Reuters)

Sunlight reflects on the rails of the 5 California Zephyr Amtrak train in Nevada June 14, 2008. (Reuters)

A flooded road is seen near the Nueva Imperial town in southern Chile September 3, 2008. (Reuters)

The downtown core of Vancouver and the Lions Gate Bridge rise above a morning fog in this view from Cypress Mountain in West Vancouver, British Columbia November 17, 2008. (Reuters)

Skaters play one of Canada's oldest winter pastimes, pond hockey, on the frozen surface of Lake Louise just outside the small village of Lake Louise, Alberta November 27, 2007. (Reuters)

A lone fisherman stands atop a rock outcrop below Sydney's North head at dawn February 6, 2007. (Reuters)

People swim in the Celeste river waterfall at Tenorio Volcano National Park in Upala March 18, 2008. (Reuters)

A Zambian man somersaults into a pool at the edge of the 110 metre high main falls of the Victoria Falls on the Zambezi River which forms the border between Zambia and Zimbabwe October 10, 2004. (Reuters)

A view of sulphur and mineral salt formations created by the upwelling springs of Dallol volcano in this picture taken November 29, 2004. (Reuters)

The wind blows desert sand with Dubai's iconic landmark and world's tallest hotel, the Burj Al Arab, in the background February 8, 2007. The Burj Al Arab sits on its own man-made island, stands 321 meters (1053 feet) high, and resembles a billowing sail. (Reuters)

The world's largest salt flat, the Salar de Uyuni, is seen from Incahuasi island in the south of Bolivia at 3676 meters above mean sea level, August 21, 2008. (Reuters)

Tucked in the valleys and forests of Swaziland's remote Lebombo mountains are hundreds of hidden marijuana plantations, shown in this May 22, 2005 picture. (Reuters)

A horse eats grass at Ruo'ergai grassland in Ruo'ergai County, China's southwestern Sichuan province, August 15,2006. (Reuters)

A man stands on a hill during sunset in Vina del Mar city ,about 75 miles (120 km) northwest of Santiago, August 11, 2007. (Reuters)

Mounds of salt formed by miners sit on the Salar de Uyuni, the world's biggest salt desert, where until recently mining salt was the only way to survive in this cold, arid corner of southwestern Bolivia, July 14, 2007. (Reuters)

People walk on a cliff overlooking Ram Plateau in the Nahanni National Park Reserve, Northwest Territories in this undated handout photo released June 9, 2009. (Reuters)

Concrete pylons stick out of the water at the Three Gorges Dam located northwest of Yichang city in Hubei Province, central China November 6, 2007. (Reuters)

A palm tree grows in the Errachidia reservoir near the Ziz oasis March 7, 2009. (Reuters)

A tourist makes a path in the snow on a ridge, some 3,200 metres (10,499 feet) above sea level, in the mountains outside Almaty February 1, 2009. (Reuters)

20 years after the fall of the Berlin Wall

Photo taken Oct 31, 2009 at the Brandenburg Gate in Berlin shows a photo of US President Ronald Reagan acknowledging the crowd after his speech in front of the Brandenburg Gate in West Berlin, where he said 'Mr Gorbachev, tear down this wall!', on June 12, 1987. An Associated Press archive photo set in the same location to mark the 20 year anniversary since the fall of the Berlin Wall. AP

People look at a billboard featuring portraits of people and their recollections of the fall of the Berlin wall in 1989, at Berlin's KaDeWe (Kaufhaus des Westens) department store, rebaptised KaDeBe (Kaufhaus der Berliner, meaning Department store of Berliners instead of the usual Department store of the West) for the occasion, on November 5, 2009. Berlin has caught wall fever ahead of celebrations marking the 20th anniversary of the fall of the Berlin wall on November 9. Sign in window reads: 'Where were you on the 9th of November 1989?' AFP

Photo taken Oct 26, 2009 near the Reichstag in Berlin shows a photo of Berlin children playing on the remains of the Berlin Wall near West Berlin's Reichstag building, February 20, 1990, where East German border troops began tearing down the wall. An Associated Press archive photo set in the same location to mark the 20 year anniversary since the fall of the Berlin Wall. AP

Photo taken Nov 1, 2009 at former border crossing at Heinrich-Heine-Strasse in Berlin shows a photo of US President Richard Nixon looking across the communist wall into East Germany, from West Berlin, on Feb 27, 1969, during his stay in the divided city. Then German Chancellor Kurt Kiesinger is seen behind Nixon. An Associated Press archive photo set in the same location to mark the 20 year anniversary since the fall of the Berlin Wall. AP

Photo taken Oct 31, 2009 at the Potsdamer Platz in Berlin shows a photo of then Georgia Governor Jimmy Carter pointing toward East Berlin and the wall during a visit on May 20, 1973 in West Berlin. An Associated Press archive photo set in the same location to mark the 20 year anniversary since the fall of the Berlin Wall. AP

A replica in chocolate of the painting representing East German leader Erich Honecker and his Soviet counterpart Leonid Brezhnev made by a graffiti artist on the Berlin Wall in 1990, is displayed in the shop of French chocolate maker Patrick Roger in Paris, Thursday, Nov 5, 2009. Patrick Roger who was named in 2000, 'Best French Chocolatier' created several parts of the Berlin Wall to mark the 20th anniversary of the fall of the wall. AP

A worker walks through the reconstructed so called 'Death Strip' at the Wall Remembrance Memorial Bernauer Strasse in Berlin, Germany, Thursday, Nov 5, 2009, during preparations for the 20th anniversary of the opening of the Berlin Wall on Nov 9, 2009. AP

French Patrick Roger who was named in 2000, 'Best French Chocolatier', works on his new creation, a replica of the Berlin Wall, in Sceaux, south of Paris, Wednesday, Nov 4, 2009. French chocolate maker Patrick Roger will break the 12 meters high and 100 Kilograms chocolate wall on Monday, November 9, to mark the 20th anniversary of the fall of the Berlin Wall. AP

Photo taken Oct 26, 2009 at Checkpoint Charlie in Berlin shows a photo of Checkpoint Charlie as he it is visited by US President John F Kennedy on June 26, 1963. An Associated Press archive photo set in the same location to mark the 20 year anniversary since the fall of the Berlin Wall. AP

Russian artist Dmitry Vrubel poses in front of his artwork showing East German leader Erich Honecker kissing his Soviet counterpart, Leonid Brezhnev, left, at Madame Tussauds in Berlin, Thursday, November 5, 2009. Madame Tussauds presented the painting to the public as part of the 20th anniversary of the fall of the Berlin Wall. AP

Part of Berlin Wall displayed in Seoul

People walk past a section of the Berlin Wall displayed at Berlin Plaza in central Seoul on November 5, 2009. REUTERS

20th anniversary of the fall of Berlin Wall

German and European Union flags flutter in central Brussels near the European Council headquarters, a day before a EU leaders meeting, in this March 7, 2007 file photo. Twenty years after the fall of the Berlin Wall, Helmut Kohl's dream of a united Germany leading to a politically united Europe remains unfinished business. REUTERS

'Fall of the wall' edition Teddy bear

A special 'fall of the wall' edition Teddy bear, holding a piece of the orignal Berlin wall is for sale at Berlin's KaDeWe (Kaufhaus des Westens) department store, rebaptised KaDeBe (Kaufhaus der Berliner, meaning Department store of Berliners instead of the usual Department store of the West) for the occasion, on November 5, 2009. Berlin has caught wall fever ahead of celebrations marking the 20th anniversary of the fall of the Berlin wall on November 9. AFP

Indigenous Nations’ Games

Members of Brazil's Kaiapo nation

Members of Brazil's Kaiapo nation compete in a tug of war during the Indigenous Nations' Games in Pagagominas, north Brazil November 3, 2009. Some 600 Brazilian Indians from 29 ethnic groups will compete in sporting events for the tenth edition of the games. (Reuters)

A warrior of Brazil's Pataxo nation

A warrior of Brazil's Pataxo nation watches the first day of competition in the Indigenous Nations' Games in Pagagominas, northern Brazil November 3, 2009. (Reuters)

Members of Brazil's Enawene Nawe nation

Members of Brazil's Enawene Nawe nation compete in a tug of war during the Indigenous Nations' Games in Pagagominas, north Brazil November 3, 2009. (Reuters)

Members of Brazil's Assurini nation

Members of Brazil's Assurini nation compete in a tug of war during the Indigenous Nations' Games in Pagagominas, northern Brazil November 3, 2009. (Reuters)

A member of Brazil's Xikrin nation

A member of Brazil's Xikrin nation looks on before the Indigenous Nations' Games in Pagagominas, north Brazil November 2, 2009. (Reuters)

Native Brazilians

Native Brazilians participate on the first day of competition in the Indigenous Nations' Games in Pagagominas, northern Brazil November 3, 2009. (Reuters)

Members of Brazil's Bororo Boi nation

Members of Brazil's Bororo Boi nation watch the first day of competition in the Indigenous Nations' Games in Pagagominas, northern Brazil November 3, 2009. (Reuters)

A member of Brazil's Manoki Irantxe nation

A member of Brazil's Manoki Irantxe nation watches the first day of competition in the Indigenous Nations' Games in Pagagominas, northern Brazil November 3, 2009. (Reuters)

A warrior of Brazil's Pataxo nation

A warrior of Brazil's Pataxo nation watches on the first day of competition in the Indigenous Nations' Games in Pagagominas, north Brazil November 3, 2009. (Reuters)

Members of Brazil's Terena nation

Members of Brazil's Terena nation play music and dance during the opening day of the Indigenous Nations' Games in Pagagominas, northern Brazil November 3, 2009. (Reuters)

A member of Brazil's Xikrin nation

A member of Brazil's Xikrin nation looks on before the Indigenous Nations' Games in Pagagominas, north Brazil November 2, 2009. (Reuters)

Five least stressed out cities in US

Miami is the least stressed of all US cities, according to a new survey from Harris Interactive. The survey ranks cities based on a life balance barometer.

2: Dallas/Fort Worth

3: Las Vegas

4: Cincinnati

5: And Minneapolis