Tiso-Samshitovaya Grove is a unique little natural world where plants that grew on the Earth 20 million years ago are still preserved today. The ancient tropical woodland has managed to survive glacial period frosts, but how? RTG TV host Irina Pudova searches for the answer to this natural riddle as she walks in the shade of mighty yew trees, surrounded by tropical vines and epiphytic ferns. Welcome to the Neogene!