The live-aboard dive boat Amphoria, Bangka Island, off the northeastern tip of Sulawesi, Indonesia, Southeast Asia, Asia

A diver swims past Boo Windows on Boo Island, Raja Ampat, West Papua, Indonesia, Pacific Ocean

One Tree Rock, Boo Island, Misool, Raja Ampat, West Papua, Indonesia, Pacific Ocean

Soft coral, Dendronephthya sp., and schooling bigeye snappers, Lutjanus lutjanus, Raja Ampat, West Papua, Indonesia, Pacific Ocean

An aerial view of the live aboard vessel Infiniti for scuba diving off Balicasag Island, a tiny island in South West Bohol in the central Philippines. It is famous for scuba diving on the deep, vertical walls and there are some fantastic hard coral gardens at snorkeling depths, Balicasag Island, Philippines

A split scene with a shallow hard coral reef below water and island above with the live aboard dive vessel Infiniti, Philippines

Steep, rugged, volcanic cliffs surround Wolf Island one of the newest and most northerly of the Galapagos with scuba diving boat, Galapagos Islands, Ecuador

Dive master explaining to scuba divers the characteristics of their next dive site off volcanic rock called Roca Redonda, Galapagos Islands, Ecuador

Eco-tourists coming from scuba diving boat for land excursion to see sea lions on Mosquera Island near Bartolome Island, Galapagos Islands, Ecuador

Eco-tourists coming from scuba diving boat for land excursion to see sea lions on Mosquera Island near Bartolome Island, Galapagos Islands, Ecuador

Scuba divers relaxing in a hot tub with the volcanic cliffs of Wolf Island beyond one of the newest and most northerly of the Islands, Galapagos Islands, Ecuador

A few weeks after the start of the summer campaign, the winterers who have just spent 14 months at Concordia return home. They take off from Concordia station aboard the Basler;photo), bound for Mario Zucchelli or Dumont d'Urville. Most of them make a sign indicating the village or town where they live, and the distance to Concordia. Concordia Antarctic Base