a lost population of tigers has been captured on camera living in the kingdom of bhutan. a series of camera traps, documenting the mountain tigers. it's proof they're able to survive away from the jungle habitats and could improve efforts to protect them. >> high in the himalayas, the tiny kingdom of bhutan. the bbc natural history team chose this remote and mysterious place for their fourth expedition series. local people told the team that tigers were living up in the mountains. if that's true, then that's a really big deal because the base of tiger mountain is well above the treeline and much higher than tigers are actually thought to ever go. >> good luck. >> dozens of remote cameras were left out on possible tiger trails. after three months, cameraman gordon buchanan returned to check the footage and was astonished. >> oh, my gosh, oh, my gosh! oh! i don't believe it! oh, god! thank you, thank you, thank you! >> if he thought that was exciting, a thousand meters higher up, there was even more. >> oh, man. >> apparently a breeding pair, far from the jungle. >> these t

. >> high in the himalayas, the tiny kingdom of bhutan. the bbc natural history team chose this remote and mysterious place for their fourth exhibition series. local people told the team that tigers were living up in the mountains. >> if that is true, that there really big deal because the base of tiger might add -- tiger mountain is well above the tree line and much higher than tigers are actually thought to ever go. >> dozens of remote cameras were left out on possible tighter trails. after three months, a cameraman returns to check the footage and he was astonished. >> oh, my gosh. i don't believe it. thank you, thank you, thank you. >> if you thought that was exciting, thousand meters up, there is even more. apparently, a breeding pair far from the jungle. >> these tigers are living in the shadow of the high himalayas. we are above 4,000 meters at this point. these are the highest living tigers in the world. >> the team presented their findings to the prime minister of bhutan who promised to work with neighboring countries and use this

. >> reporter: high in the himalayas, the tiny kingdom of bhutan.ural history team chose this remote and mysterious place for their fourth expedition series. local people told the team that tigers were living up in the mountains. if that's true, then that's a really big deal. because the base of tiger mountain is well above the tree line and much higher than tigers are actually thought to ever go. >> good luck. >> reporter: dozens of remote cameras were left out on possible tiger trails. >> i wonder. >> reporter: after three months, cameraman gordon buchanan returned to check the footage and was astonished. >> oh my gosh! oh my gosh! oh, oh, i don't believe it! oh, god! oh! thank you, thank you, thank you! >> reporter: but if he thought that was exciting, 1,000 meters higher up, there was even more. >> oh, man alive! >> reporter: apparently, a breeding pair. far from the jungle. >> these tigers are living right in the shadow of the high himalayas. we are above 4,000 meters at this point. these are the highest-living tigers in the world. >> reporter: