Yesterday was Kodomo no Hi (子供の日) or Children’s Day in Japan. It’s a holiday that celebrates children and their happiness. During this holiday, people string up carp flags/streamers, or koi nobori. Basically, they’re a kind of wind sock. I visited Shirahata Shrine (白幡神社) in Fujisawa, near Fujisawa-honmachi Station, and was treated to a large number of very big koi nobori. Have a look.
I hope all the children will be strong this year.