The challenge proved addictive , and he has been with Christo and his spouse , Jeanne-Claude , ever since , first as a consultant for '' Wrapped Reichstag '' in Berlin -LRB- 10 miles of blue rope was used to wrap the building in silver fabric -RRB- , next as the design engineer in 1996 for the as-yet-unrealized '' Over the River '' installation on 40 miles of the Arkansas River in Colorado .
Colorado /location/location/contains Arkansas River
DT NN VBD JJ , CC PRP VBZ VBN IN NNP CC PRP$ NN , NNP , RB IN , RB IN DT NN IN '' VBD NNP '' IN NNP -LRB- CD NNS IN JJ NN VBD VBN TO VB DT NN IN NN NN -RRB- , JJ IN DT NN NN IN CD IN DT JJ '' IN DT NN '' NN IN CD NNS IN DT NNP NNP IN NNP .
Colorado
LOCATION
Arkansas River
LOCATION
/location/location/contains