Wunderland Kalkar, amusement park, a former nuclear power plant Kalkar am Rhein, core water wonderland painted cooling tower, Kalkar am Rhein, Kalkar Stock Photo - Alamy
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Wunderland Kalkar, amusement park, a former nuclear power plant Kalkar am Rhein, core water wonderland painted cooling tower, Kalkar am Rhein, Kalkar Stock Photo - Alamy