1178-39552 - Man dropping heavy barbell in gymnasium

1178-39556 - Man lifting heavy barbell in gymnasium

1178-39805 - Mixed Race man using pull-up rings in gymnasium

1178-39553 - Man lifting heavy barbell in gymnasium

1178-39554 - Man screaming while lifting heavy barbell in gymnasium

1178-39555 - Man lifting heavy barbell in gymnasium

1350-4873 - Fisherman rowing his boat on Taungthaman Lake, Amarapura, Mandalay, Myanmar, (Burma)

1116-52195 - The strenuous yet highly rewarding hike to Roys Peak in Wanaka. The hike is difficult but the views are spectacular. A traveler celebrates at the summit; Wanaka, Otago, New Zealand

1116-52193 - The strenuous yet highly rewarding hike to Roys Peak in Wanaka. The hike is difficult but the views are spectacular; Wanaka, Otago, New Zealand

1116-52194 - Man standing on mountaintop at Roys Peak waving the New Zealand flag after the strenuous hike to the lookout to see the spectacular views of Wanaka Lake and surrounding mountains of the Southern Alps; Otago, New Zealand

1116-52191 - The strenuous yet highly rewarding hike to Roys Peak in Wanaka. The hike is difficult but the views are spectacular. Young women on the trail of a hillside with sheep; Wanaka, Otago, New Zealand

1116-52192 - Man standing on mountaintop at Roys Peak with beautiful rays of sunlight after the strenuous hike to the lookout to see the spectacular views of the lakes and surrounding mountains of the Southern Alps near Wanaka; Otago, New Zealand

1116-52154 - The strenuous yet highly rewarding hike to Roys Peak in Wanaka. The hike is difficult but the views are spectacular. This is the view of Lake Wanaka from Roys Peak at sunset; Wanaka, Otago, New Zealand

1178-32139 - Hispanic sisters picking up pumpkin

1178-32140 - Hispanic child holding pumpkin

832-379592 - Bareback bronc competition, Philomath Rodeo, Philomath, Oregon, USA, North America

832-349912 - Marathon 2006 Berlin, Germany

857-38317 - Two men rock climbing on a large granite face in North Carolina.

857-38327 - Male rock climber at Cathedral Ledge, New Hampshire.

857-38353 - Male rock climber at the New River Gorge, West Virginia.

857-32254 - Bill Saul jams the strenuous crack called "Oh My God Corner" (5.10+) at the God Crags on Old Rag Mountain in the Shenandoah National Park, VA

857-365 - Rice planting, Madagascar.

911-204 - A tree surgeon chopping a tree down, United Kingdom, Europe

911-2108 - The Langdale Ambleside mountain Rescue Team stretcher an injured walker of the Lake District fells, Cumbria, England, United Kingdom, Europe

911-202 - A tree surgeon chopping a tree down, United Kingdom, Europe

802-73 - A climber on a popular gritstone bouldering route on the Plantation Boulders at Stanage Edge, Peak District National Park, near Hathersage, Derbyshire, England, United Kingdom, Europe

802-72 - A porter crosses a river using a fallen log whilst carrying a heavy load up the Hingku Valley, near Lukla, south of Mount Everest, Nepal Himalaya, Nepal, Asia

802-71 - A climber deep water soloing above the sea on the limestone cliffs near St. Govan's Head, South Pembrokeshire, Pembrokeshire Coast National Park, Wales, United Kingdom, Europe

802-70 - A climber deep water soloing above the sea on the limestone cliffs near St. Govan's Head, South Pembrokeshire, Pembrokeshire Coast National Park, Wales, United Kingdom, Europe

802-64 - A climber tackles an exceptionally difficult, F8c graded, route on a big overhang at the cliffs of Margalef, underneath Montsant, near Lleida and Tarragona, Catalunya, Spain, Europe

802-63 - A high altitude porter carries a heavy load using the traditional basket and tump (headband) used by the Nepali porters, under Mera Peak, 6420 metres, a popular trekking peak in the Khumbu region, near Mount Everest, Himalayas, Nepal, Asia

802-59 - A climber on the cliffs known as the Tennessee Walls, high above the Tarn river and home to some of the most spectacular pitches of rock climbing in Europe, Gorges du Tarn, near Millau and Rodez, Cevennes region, south west France, Europe

802-58 - A climber tackles a very difficult route on the rock known as Dromadaire (The Dromedary) by the Tarn river, Gorges du Tarn, near Millau and Rodez, Massif Central, south west France, Europe

802-53 - A climber bouldering on the large granite boulders near Camp 4, the National Park Service campground underneath El Capitan, Yosemite Valley, California, United States of America, North America

802-48 - A climber makes her way up the summit ridge of Stok Kangri at 6137 metres, a popular and easily accessible trekking peak in the northern Zanskar Range, Ladakh, India, Asia

802-40 - Two rock climbers making their way up a very difficult route on the 450 metre monolith of Karimbony, Tsaranoro Massif, Andringitra National Park, Southern Madagascar, Africa

802-37 - Rock climber tackles a very overhanging route on the famous limestone cliffs of the Gorge du Tarn in the Massif Central, near Millau and Rodez, south west France, Europe

802-36 - Nepali porter carries a heavy load using traditional wicker basket and tump headband in the lower Hingku Valley, close to Lukla and Mount Everest, Khumbu region, Himalayas, Nepal, Asia

772-2379 - Mount Etna, Sicily, Italy, Europe

375-815 - Village life, Idanha-a-Nova, Beira Baixa, Portugal, Europe