In the Grand Canyon, Woodpeckers store their খাবার in hollowed out holes in trees, but when a কাঠবিড়াল tries to steal the supply - they defend their stockpile.
An international team of scientists and explorers, lead দ্বারা Dr Julian Bayliss, go on an extraordinary mission in Mozambique to reach a forest that no human has set foot in.
Abandoned houses hide beneath blankets of vines in the former fishing village of Houtouwan, on Shengshan, one of hundreds of islands in China's Hangzhou Bay.