GBW451446 A crater, diameter 116m, depth 45m, following the explosion of 19 mines, ignited by British soldiers under German positions at Mesen (Messines) in West Flanders on 7 June, 1917 (autochrome) by Cuville, Fernand (1887-1927); (add.info.: a total of approximately 10,000 soldiers died, including almost the entire third Royal Bavarian Division; mines each contained 21 tonnes of explosives; the blast was one of the largest non-nuclear explosions ever, reportedly heard in London and Dublin;); 穢 Galerie Bilderwelt; French, out of copyright.