In Japan, around May 5th (Children's Day) these stylized carp streamers are all hanging around, blowing in the wind. It's the boy's part of Children's Day. The carp represents a strong male, like the fish I guess 日本 男孩 鲤鱼 天-鲤鱼旗
Koinobori or carp streamer in English are traditionally flown on Children's day (May 5) a dedicated Japanese Holiday 儿童节那天 日本节 japanese holiday 天淡蓝色
Koinobori or carp streamer in English are traditionally flown on Children's day (May 5) a dedicated Japanese Holiday 儿童节那天 日本节 japanese holiday 天绿
Koinobori or carp streamer in English are traditionally flown on Children's day (May 5) a dedicated Japanese Holiday 儿童节那天 日本节 japanese holiday 与杆的天
Koinobori or carp streamer in English are traditionally flown on Children's day (May 5) a dedicated Japanese Holiday 儿童节那天 日本 日本节 天灰色
Koinobori or carp streamer in English are traditionally flown on Children's day (May 5) a dedicated Japanese Holiday 儿童节那天 日本节 japanese holiday 红色的天
Koinobori or carp streamer in English are traditionally flown on Children's day (May 5) a dedicated Japanese Holiday 儿童节那天 日本节 japanese holiday 天深蓝色
Koinobori or carp streamer in English are traditionally flown on Children's day (May 5) a dedicated Japanese Holiday 儿童节那天 日本节 japanese holiday 紫色的天
Koinobori or carp streamer in English are traditionally flown on Children's day (May 5) a dedicated Japanese Holiday 儿童节那天 日本节 japanese holiday 天粉红色