Tree nursery in Kpalime, Togo, West Africa, Africa

Petrified sand dunes, White Canyon State Park, Red Cliffs Desert Reserve near St. George, Utah, United States of America

Juvenile alligator, Gator Country Wildlife Adventure Park, Beaumont, Texas, United States of America

Oryx (Oryx leucoryx) in captivity, Thousand Nights Camp, Sharqiya Sands, formerly Wahiba Sands, desert region, Sultanate of Oman, Arabian Peninsula

Striated caracara (Phalcoboenus australis) on New Island in the Falkland Islands

Nurse sharks (Ginglymostoma cirratum), being fed in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize

Tourist hand-feeding magnificent frigatebird (Fregata magnificens), at feeding station, Mesoamerican Barrier Reef, Belize

Rana El Zein, Deputy Director at AFALULA, and White saxaul (Haloxylon persicum), Sharaan Nature Reserve, AlUla, Medina Province, Saudi Arabia

Woman photographing Palm plantation colonized by invasive Sodom apple (Calotropis procera), Sharaan Nature Reserve, Medina Province, Saudi Arabia

Rana El Zein, Deputy Director at AFALULA, and White saxaul (Haloxylon persicum), Sharaan Nature Reserve, AlUla, Medina Province, Saudi Arabia

West Indian manatee (Trichechus manatus), with snorkeler near Caye Caulker, inside the Mesoamerican Barrier Reef, Belize

Green sea turtle (Chelonia mydas), feeding on the sand near Caye Caulker, inside the Mesoamerican Barrier Reef, Belize

Old bullets from the war, Tibesti Mountains, Chad

Adult brown bear (Ursus arctos) scratching its back on a tree at the Brooks River, Katmai National Park, Alaska, United States of America