May 5th is Children's day in Japan. On that day families raise carp-shaped flags which symbolize strength and vitality. Black carp is for father, red carp is for mother, the smaller ones are for children.

May 5th is Children's day in Japan. On that day families raise carp-shaped flags which symbolize strength and vitality. Black carp is for father, red carp is for mother, the smaller ones are for children.