finding location of the mosasaurus and shelter place during the second world war in maastricht

background blue caestert caves cement chimney converted digging dirt dramatic dust dutch eagle enci environment excavator explosives factory famous finding former found french industrial industry landmark landscape location maastricht marl mining mosasaurus natural natuurmonumenten netherlands old oven owl park pietersberg pit place plateau pond pools public quarry reflection rocks second shelter shelters shutdown sint sky stolen strip summer surface swimming this tower travel view war was water which world