In March 2011, when northeastern Japan was hit by a deadly earthquake and subsequent tsunami, Arahama Elementary School saved the lives of 320 people.Pupils, residents and school personnel evacuated to the building when the tsunami warning came, and moved onto the roof as the wave came and the water rose.Six years on, and the school, located in Arahama on the outskirts of Sendai city, Miyagi Prefecture, is now open to the public as a museum and memorial.The sign, put up by students in 2016, simply says "Thank you, Arahama Elementary School."The school, pictured here on March 12, 2011, was o…READ FULL ARTICLE