"koinobori" are carp-d windsocks traditionally flown in japan to celebrate children's day

japan koinobori sky spring children fish blue flag celebration japanese colorful event boy festival season decoration wind culture decorative tradition carp outdoor 039 day fly windsock koi national holiday golden week symbol skies streamer kodomo streamers sunny carp-shaped windsocks traditionally flown celebrate children39aph39s drawing patterns paper cloth nonwoven fabric