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Children play underneath some 1,200 colorful carp streamers flying above a riverside park in Sagamihara, Kanagawa prefecture

Toshifumi KItamuratoshifumi/AFP

Children play underneath carp streamers – or koinobori – flying above a riverside park in Sagamihara, Kanagawa prefecture in Japan, on Thursday to celebrate Children’s day. A total of 400,000 visitors are expected to attend the week-long event starting on April 29 to celebrate the annual holiday of Children’s day on May 5 – part of the “Golden week” holiday, which is traditionally one of the busiest travel times of the year. The streamers