Flowers are laid in front of the ruins of the Okawa Elementary School in Ishinomaki, Japan, March 9, 2021. A public elementary school in Miyagi Prefecture lost more than 80 lives in the tsunami following the March 2011 earthquake in northeastern Japan. Ten years on, the ruins of the school building still tell the unimaginable tragedy of the calamity. (Xinhua/Du Xiaoyi)