BBC Earth Ash Dykes ends his journey at Jiayuguan, visits Crescent Moon Lake, meets Mr. Dong at Yardang, and concludes at Yumenguan Fortress, marking the Great Han Wall's end. 2026-08-16 In the Deep South, Griff uncovers Alabama's gritty past and surprising high-tech future. 2026-08-16 Steve Backshall is on a mission to create a new generation of shark saviours, but first he needs to find his team. Steve takes 12 young UK hopefuls to boot camp. 2026-08-16 Steve Backshall has chosen his UK team of six to travel with him to Bimini in the Bahamas, where they learn how to scuba dive and become the next generation of shark saviours. 2026-08-16 Volcan del Fuego in Guatemala is one of the most 'explosive' volcanoes of them all. To reveal what's happening within the volcano, witness the daring attempt to lower a data gathering probe inside. 2026-08-16 Florida faces the fury of Hurricane Ian as it hammers the coast, bringing destructive downpours and a wild storm surge, while a wildfire rages across Portugal, forcing families to flee. 2026-08-16 Injured wild dog Flint helps care for Storm's largest ever litter of pups. Leopard Mutima searches for a home, and the lions are challenged by forces beyond their control. 2026-08-16