Weddell seal (Leptonychotes weddellii) hauled out on ice at Snow Island, South Shetland Islands, Antarctica, Southern Ocean, Polar Regions

Man sleeps on cardboard in Zi Zhong Road, old Shanghai, China

Teenagers stand by a man sleeping in Zi Zhong Road, old French Concession Quarter in Shanghai, China

Lioness asleep, Grumeti, Tanzania, East Africa

Adult leopard seal (Hydrurga leptonyx) hauled out on ice floe near the Antarctic Peninsula, Southern Ocean

Wilderness husky sledding taiga tour with Bearhillhusky in Rovaniemi, Lapland, Finland

Lion (Panthera leo) . Subadult male. Yawning. Kalahari Desert, Kgalagadi Transfrontier Park, South Africa, Africa

Cape Fur Seal (Arctocephalus pusillus) . Yawning. Cape Cross Seal Reserve, Skeleton Coast, Dorob National Park, Namibia, Africa

Cape Fur Seal (Arctocephalus pusillus) . Resting. Cape Cross Seal Reserve, Skeleton Coast, Dorob National Park, Namibia, Africa

Woman wheelchair looking map outdoors

Fisherman in a traditional dug out canoe at Cape Maclear, on Lake Malawi, Malawi, Africa.

A paraplegic woman looking discouraged while taking a break from working out in a recreational facility: Edmonton, Alberta, Canada

A paraplegic woman looking discouraged while taking a break from working out in a recreational facility: Edmonton, Alberta, Canada

Young woman resting during work-out, Jupiter, Florida