Mongolian wrestling school, near Ulan Bator, Mongolia

Scuba Diver and Shoal of Bluestripe Snapper, Lutjanus kasmira, North Male Atoll, Maldives

Oriental Sweetlips and Scuba Diver, Plectorhinchus vittatus, North Male Atoll, Maldives

Shoal of Neon Fusilier, Pterocaesio tile, Kai Islands, Moluccas, Indonesia

Colony of various Sponges, Kai Islands, Moluccas, Indonesia

Oriental Sweetlips and Scuba Diver, Plectorhinchus vittatus, North Male Atoll, Maldives

Red-tailed Butterflyfish and Scuba Diver, Chaetodon collare, North Male Atoll, Maldives

Colony of various Sponges, Kai Islands, Moluccas, Indonesia

Red-tailed Butterflyfish and Scuba Diver, Chaetodon collare, North Male Atoll, Maldives

Scuba Diver over Coral Reef, Kai Islands, Moluccas, Indonesia

Shoal of Bigeye Snapper, Lutjanus lutjanus, Great Barrier Reef, Australia

Scuba Diver at Bridge of Hembadhoo Wreck, North Male Atoll, Maldives

Scuba Diver over Coral Reef, Kai Islands, Moluccas, Indonesia

Oriental Sweetlips and Scuba Diver, Plectorhinchus vittatus, North Male Atoll, Maldives

Scuba Diver over Coral Reef, Kai Islands, Moluccas, Indonesia

Scuba Diver over Coral Reef, Kai Islands, Moluccas, Indonesia

Shoal of Neon Fusilier, Pterocaesio tile, Kai Islands, Moluccas, Indonesia

Scuba diver over coral reef, Tanimbar Islands, Moluccas, Indonesia

Scuba diver over coral reef, Tanimbar Islands, Moluccas, Indonesia

Diver swimming through a school of fish, Thailand, Southeast Asia, Asia

A fisherman spreads bait near Los Gatos, Baja California Sur, Sea of Cortez, Mexico, North America

Schoolboy in school uniform holding football made from plastic bags and string, Ngeteti Primary School, Rift Valley, Kenya, East Africa, Africa

School children playing football, western area, Kenya, East Africa, Africa

School sports day, Arima, Trinidad, West Indies, Caribbean, Central America

School boys playing cricket, Tobago, West Indies, Caribbean, Central America

Soccer game in a school, Lome, Togo, West Africa, Africa

Soccer game in a school, Lome, Togo, West Africa, Africa

Soccer game in a school, Lome, Togo, West Africa, Africa

Myanmar school children enjoying a of game, myitkyina, a largely kachin community in north burma near chinese border

Young African boy playing football in the school yard. Guly Town, northern Uganda. Gulu Town, Uganda, East Africa

Two African boys committed to the tackle, playing football in the school yard. Gulu Town, Northern Uganda. . Gulu Town, Uganda, East Africa

Surf school, Whitesands Beach, St Davids, Pembrokeshire, Wales, UK, Europe

Soccer pitch and school, Geoje-Do, South Korea, Asia

Surf school, Whitesands Beach, St Davids, Pembrokeshire, Wales, UK, Europe

Surf school, Whitesands Beach, St Davids, Pembrokeshire, Wales, UK, Europe

Surf school, Whitesands Beach, St Davids, Pembrokeshire, Wales, UK, Europe

Mixed race field hockey goalie standing by goal

dormitory in Kung Fu school near Shaolin, 1987, Song Shan, Henan province, China, Asia

young boy at breakfast, one of many new Kung Fu schools in Dengfeng, near Shaolin, Song Shan, Henan province, China, Asia

Kung Fu training at kindergarten age, at one of the many new Kung Fu schools in Dengfeng, school near Shaolin, Song Shan, Henan province, China, Asia

Whitetip Reef Shark resting in Cave, Triaenodon obesus, Roca Partida, Revillagigedo Islands, Mexico

outdoor bathroom in a courtyard of a new Kung Fu school, washing hair, face, cleaning teeth, near Shaolin, Song Shan, Henan province, China, Asia

Kung Fu training at kindergarten age, at one of the many new Kung Fu schools in Dengfeng, very young pupils in the dormitory at one of the new Kung Fu Schools in Dengfeng, near Shaolin, Song Shan, Henan province, China, Asia

dormitory, TV in Kung Fu school near Shaolin, Song Shan, Henan province, China, Asia

early morning Kung Fu training, school near Shaolin, a woman works on a sewing machine in the background, Song Shan, Henan province, China, Asia

Kung Fu training at kindergarten age, at one of the many new Kung Fu schools in Dengfeng, school near Shaolin, Song Shan, Henan province, China, Asia

Kung Fu school in 1987 with simple equipment, Shaolin, Song Shan, Henan province, China, Asia, 1987

Kung Fu training at kindergarten age, at one of the many new Kung Fu schools in Dengfeng, very young pupils in the dormitory at one of the new Kung Fu Schools in Dengfeng, near Shaolin, Song Shan, Henan province, China, Asia

Kung Fu training at kindergarten age, at one of the many new Kung Fu schools in Dengfeng, school near Shaolin, Song Shan, Henan province, China, Asia

Kung Fu training at kindergarten age, at one of the many new Kung Fu schools in Dengfeng, school near Shaolin, Song Shan, Henan province, China, Asia

pupils in classroom at one of many new Kung Fu schools in Dengfeng, near Shaolin, Song Shan, Henan province, China, Asia

pupils in classroom at one of many new Kung Fu schools in Dengfeng, near Shaolin, Song Shan, Henan province, China, Asia

education, at one of the new Kung Fu schools in Dengfeng, near Shaolin, Song Shan, Henan province, China, Asia

Diver observe Racoon-Butterflyfishes feeding Eggs from other Fishes, Chaetodon lunula, Cathedrals of Lanai, Maui, Hawaii, USA

Kung Fu training at kindergarten age, at one of the many new Kung Fu schools in Dengfeng, school near Shaolin, Song Shan, Henan province, China, Asia

Baseball and sports field seen from Sunshine City Ikebukuro, Toshima-ku, Tokyo, Japan

indoor sport hall, Lilly Henoch Sport Hall, Spreewald School at Winterfeldplatz in Berlin

Children's ski school, Idalp, Snow Sports Academy, Ischgl ski resort, Tyrol, Austria, Europe

Skiing school, ski lessons for children, skiers, ski slope, Lech am Arlberg, Vorarlberg, Austria, Europe

Albatross as a figurehead of the Gorch Fock, sailing school ship of the German Navy, and the Swedish Schooner named Westkust, Hanse Sail 2008 in Warnemuende, Mecklenburg-Western Pomerania, Germany, Europe

Young woman sits on the floor of her apartment and turn on video record with exercises

Female scuba diver watching a shoal of Five-Barr-Tail-Fishes (Kuhlia mugil) in open water, Hurghada, Brother Islands, Red Sea, Egypt, Africa

Selective focus on a man with down syndrome and friends enjoying gym class

Diver with a large shoal of Black Striped Salema (Xenocys jessiae), Cousin Rock, UNESCO World Heritage Site, Galapagos archipelago, Ecuador, Pacific Ocean

Active young woman in sportswear using laptop, view from above

Fit mother training with her son

Diver with a large shoal of Black Striped Salema (Xenocys jessiae), Cousin Rock, UNESCO World Heritage Site, Galapagos archipelago, Ecuador, Pacific Ocean

Scuba divers amongst a school of Nurse Sharks (Ginglymostoma cirratum) lying on the sandy ocean after having been attracted by a container of scent agents and bait, barrier reef, San Pedro, Ambergris Cay Island, Belize, Central America, Caribbean

Shoal of Bigeye trevallys, (Caranx sexfasciatus), Diver, fish, Tulamben, Bali, Indonesia, Indian Ocean, Bali Sea

Diver, huge coral block from different stony corals (Scleractinia), swarm Anthias (Anthiinae) Red Sea, Egypt, Africa

Diving course for children in the swimming pool, Club Aldiana, Southern Cyprus, Cyprus, Europe

Diving course for teens in the swimming pool, Club Aldiana, Southern Cyprus, Cyprus, Europe

Skiing school for children Walchsee Lake, ski region Zahmer Kaiser, Tyrol, Austria, Europe

Aerial photo, sports field, Hagen Hohenlimburg, Sauerland region, North Rhine-Westphalia, Germany, Europe

Skiing school for children Walchsee Lake, ski region Zahmer Kaiser, Tyrol, Austria, Europe

Entrance arch to Santa Monica Pier, from the Pacific Coast Highway. A popular excursion spot for more than a century, the Santa Monica Pier draws crowds daily. From Wikipedia: "The Santa Monica Pier is a large double-jointed pier located at the foot of Colorado Avenue in Santa Monica, California and is a prominent, 100-year-old landmark. The pier contains Pacific Park, a family amusement park with its one-of-a-kind, state-of-the-art, solar paneled Ferris wheel. It also has an original carousel hippodrome from the 1920s, the Santa Monica Pier Aquarium operated by Heal the Bay, shops, entertainers, a video arcade, a trapeze school, pubs, and restaurants. The west end of the pier is a popular location for anglers.

Students learning how sail at the Flying Fish sailing school in the Sydney Harbour.

Students learning how sail at the Flying Fish sailing school in the Sydney Harbour.

Little Girl Snorkeling With Fish

Blue Field Of The Barrow High Whalers, Barrow, Alaska, United States Of America

Girls learning to surf at Cox Bay Beach, Pacific Rim National Park, Vancouver Island, Tofino, British Columbia, Canada

A school sports hall with a marked indoor football pitch, a striped blue and yellow ball in a pink circle.

A school sports hall with a marked indoor football pitch, goal and basketball hoops, a striped blue and yellow ball in a pink circle.

Pyramid Butterflyfishes and Diver, Hemitaurichthys polyepis, Molokini Crater, Maui, Hawaii, USA

Superstructure of Kuda Giri Wreck, South Male Atoll, Maldives

Scuba Diver and Pygmy Sweeper, Parapriacanthus ransonneti, Raja Ampat, West Papua, Indonesia

Shoal of Yelloback Fusiliers and Diver, Caesio teres, Maldives, Indian Ocean, Meemu Atoll

Lionfish and Diver, Pterois miles, Maya Thila, North Ari Atoll, Maldives

Diver and 5-inch Deck Gun of USS Apogon Submarine, Marshall Islands, Bikini Atoll, Micronesia, Pacific Ocean

Diver at Torpedo Tubes at Destroyer USS Anderson, Marshall Islands, Bikini Atoll, Micronesia, Pacific Ocean

Snorkeling over Coral Reef, Maldives, Indian Ocean, Meemu Atoll

Diver over Stern of USS Apogon Submarine, Marshall Islands, Bikini Atoll, Micronesia, Pacific Ocean

Diver and Shoal of Cow Breams, Sarpa salpa, Carall Bernat, Medes Islands, Costa Brava, Mediterranean Sea, Spain

Diver and Two-banded Breams, Diplodus vulgaris, Tamariu, Costa Brava, Mediterranean Sea, Spain

Diver over Reef with Anthias, Anthias anthias, Tamariu, Costa Brava, Mediterranean Sea, Spain

Superstructure of Kuda Giri Wreck, South Male Atoll, Maldives

Diver observe Racoon-Butterflyfishes feeding Eggs from other Fishes, Chaetodon lunula, Cathedrals of Lanai, Maui, Hawaii, USA

Diver and Lionfish, Pterois miles, Maya Thila, North Ari Atoll, Maldives

Skin Diving with colorfully Fishes, Micronesia, Palau

Pyramid Butterflyfishes and Diver, Hemitaurichthys polyepis, Molokini Crater, Maui, Hawaii, USA