Mer de Glace, the largest glacier in France, 7km long and 200m deep flowing into the Chamonix Valley, Haute Savoie, French Alps, France, Europe

Stadium big screen shows Usain Bolt and finalists' names before Men's 200m final, London 2012, Olympic Games, London, England, United Kingdom, Europe

Finalists run the bend, Women's 200m final, Olympic Stadium, London 2012, Summer Olympic Games, London, England, United Kingdom, Europe

Usain Bolt after winning Men's 200m final, strikes lightning bolt pose, Stadium, London 2012, Olympic Games, London, England, United Kingdom, Europe

Shelly-Ann Fraser-Pryce, Jamaica, runs the bend in the Women's 200m round 1, London 2012, Summer Olympic Games, London, England, United Kingdom, Europe

The Royal Crescent designed by John Wood the Younger and built 1767-74 comprising 30 houses in a 200m arc overlooking the town, Bath, Avon, England, United Kingdom, Europe

Usain Bolt after winning Men's 200m final, with finger to lips, Stadium, London 2012, Summer Olympic Games, London, England, United Kingdom, Europe

Allyson Felix, United States, powers to win gold medal, Women's 200m final, Stadium, London 2012, Olympic Games, London, England, United Kingdom, Europe

Usain Bolt crosses line with finger to lips, looks at Yohan Blake, Men's 200m final, London 2012, Olympic Games, London, England, United Kingdom, Europe

Allyson Felix, United States, powers to victory, Women's 200m final, Stadium, London 2012, Olympic Games, London, England, United Kingdom, Europe

Usain Bolt crosses line with finger to lips, looks at Yohan Blake, Men's 200m final, London 2012, Olympic Games, London, England, United Kingdom, Europe

Track cycling battle in the velodrome, London 2012, Summer Olympic Games, England, United Kingdom, Europe

Usain Bolt after winning Men's 200m final, strikes lightning bolt pose, Stadium, London 2012, Olympic Games, London, England, United Kingdom, Europe

Allyson Felix, United States, celebrates with flag after winning Women's 200m, Stadium, London 2012, Olympic Games, London, England, United Kingdom, Europe

Carmelita Jeter, United States, runs the bend in the Women's 200m round 1, London 2012, Summer Olympic Games, London, England, United Kingdom, Europe

Morocco, Casablanca, The Hassan Ii Mosque Said To Have The Highest Minaret In The World (200m), Fountain In Foreground

Morocco, Casablanca, The Hassan Ii Mosque Said To Have The Highest Minaret In The World (200m), Fountain In Foreground

Innovative modern architecture, coffee pot sculpture on a roundabout in front of construction sites in the city, to the right, the 200m and 52 floors high QIPCO Holding Tornado Tower, West Bay District, Doha, Qatar, Middle East

Tractor parked in front of the Raid caravan. Two technicians hug each other. The Raid supplies the resort 2 or 3 times each summer. A one-way trip represents a distance of 1,200km, an altitude difference of 3,200m, and a driving time of 10 days at a rate of 12 hours per day. Each arrival of the Raid team at Concordia is a moment of joy and celebration. Concordia Antarctic Research Station, Dome C plateau, East Antarctica.