A close-up of large koinobori streamers in black, red, blue, and white — their scale patterns and bold designs clearly visible — flying horizontally in the wind along the Shingashi River, with a concrete bridge and residential neighbourhood behind them. ©Fujimino City
Dozens of colourful koinobori carp streamers strung across the Shingashi River on ropes, fluttering above a grassy riverbank with a boat landing and stone steps, with residential rooftops and a blue sky with scattered clouds in the background. ©Fujimino City
Every spring, Japanese skies fill with koinobori — carp streamers flown for Children's Day on May 5. Legend says the carp swims upstream and transforms into a dragon, carrying a wish for kids to grow strong and persevere.