This is the touching moment a caring polar bear mum takes her cub out for a walk for the first time while making sure the little one does not fall into a nearby pool.The heartwarming moment took place at the Rostov-on-Don Zoo in the port city of Rostov-on-Don in the Russian federal subject of Rostov Oblast, in southern Russia, not far from Ukraine's eastern border, on 2nd March and Real Press spoke to Ekaterina Kovaleva, the press secretary of the Rostov-on-Don Zoo.(@rostzoo/Real Press)