Bruce Christensen puts up a "Sold" sign on a poster advertising a farm land auction on March 7, 2013 in Audubon, Iowa

Real estate agent Bruce Christensen puts up a “Sold” sign on a poster advertising a farm land auction on March 7, 2013 in Audubon, Iowa. The lot of 127 acres (51,4 hectars) sold for over a half million dollars.