Exhibition presenting children's artworks made of waste materials held in south China's Hainan (Photos: Xinhua)
Exhibition presenting children's artworks made of waste materials held in south China's Hainan (Photos: Xinhua)
Exhibition presenting children's artworks made of waste materials held in south China's Hainan (Photos: Xinhua)
Exhibition presenting children's artworks made of waste materials held in south China's Hainan (Photos: Xinhua)
Exhibition presenting children's artworks made of waste materials held in south China's Hainan (Photos: Xinhua)