About 600 first-grade elementary students decorated the campus with their wishing balls in Jinhua, east China's Zhejiang Province, on June 1, 2019. /VCG Photo

It was a special homework for elementary students to celebrate the International Children's Day. /VCG Photo

Students placed their wishes inside the balls and decorated with paintings and stickers. /VCG Photo

Each wishing ball tells a child's story. /VCG Photo