Glowing balloon on the grounds of the Zeche Zollverein mine, part of the Schachtzeichen art project of the Kulturhaupstadt-Jahr Ruhr2010 Capital of Culture-year, 311 yellow balloons mark former mine shafts, Oberhausen, Ruhrgebiet area, North Rhine-Westpha

311 area art at balloon balloons capital change cultural culturally culture culture culture year cultures detail details erstwhile europe european exterior exteriors federal former formerly frg german germany glowing grounds head heritage history illuminated illumination illuminations in industrial industry jahr kulturhaupstadt kulturhaupstadt jahr light lighting lights lit mark marked marking mine mines mining monument monuments night night time nights nighttime nobody north oberhausen of on once one one time outdoor part past photo photograph photographs photos pit pits project republic rhine rhine westphalia ruhr2010 ruhrgebiet schachtzeichen shaft shafthead shafts shot shots site sites structural structure the time times tower towers unesco up westphalia winding world writing writings year yellow zeche zollverein