quarry in maastricht home to the eagle owl and public park for recreation

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