River And A Dog

Riddle: A man is on one side of a river, his dog on the other. The man calls his dog, who immediately crossed the river without getting wet and without using a bridge or a boat. How did the dog do it?

Answer: The river was frozen.

Source: https://www.riddles.com/index.php/8275

A man is on one side of a river, his dog on the other. The man calls his dog, who immediately crossed the river without getting wet and without using a bridge or a boat. How did the dog do it? — River and a dog by Blue v1.

Riddle: A man is on one side of a river, his dog on the other. The man calls his dog, who immediately crossed the river without getting wet and without using a bridge or a boat. How did the dog do it? Answer: The river was frozen. — by Blue v2.