For Mr. Koolhaas , 61 , whose firm , Office for Metropolitan Architecture , is based in Rotterdam , the Netherlands , the project is a homecoming of sorts .
Netherlands /location/location/contains Rotterdam
IN NNP NNP , CD , WP$ NN , NNP IN NNP NNP , VBZ VBN IN NNP , DT NNP , DT NN VBZ DT NN IN NNS .
Netherlands
LOCATION
Rotterdam
LOCATION
/location/location/contains