The tale of «Ai-bolit»

Aibolit is a fairy tale by Kornei Chukovsky about a kind doctor who helped everyone who turned to him. And one day a telegram came to Aibolit from Hippopotamus, who called the doctor to Africa to save all the animals. The doctor keeps saying «Limpopo, Limpopo, Limpopo», and wolves, whales, eagles help him on his way. The good Dr Aibolit cures them all.