In the 70's a 7000-ton building was moved in Bogotá using steel rollers. It was cheaper to move than to demolish and rebuild. http://www.colombia.co/en/trade-wi

In the 70's a 7000-ton building was moved in Bogotá using steel rollers. It was cheaper to move than to demolish and rebuild. http://www.colombia.co/en/trade-with-colombia/innovation/cudecom-avianca-2-colombian-buildings-left-mark-history/ http://www.colombia.co/en/trade-with-colombia/innovation/cud...