Rainer Nowotny, managing director of Hanffaser Uckermark eG., poses with bricks made of clay and hemp in Prenzlau, eastern Germany on July 27, 2013. The company with its 13 employees produces insulating material and animal bedding out of hemp, that is cultivated on an area of 300 hectares. AFP PHOTO / DPA / BERND SETTNIK +++ GERMANY OUT (Photo credit should read BERND SETTNIK/AFP/Getty Images)