They sometimes ended with statues, such as in Milan Cathedral.
* USDA Forest Products Laboratory* reuters.com, New biofuels to come from many sources: conference,Fri Feb 13, 2009 2:50pm EST* reuters.com, U.S. weekly ethanol margins rise to above break even, Fri Feb 13, 2009 4:01pm EST* wired.com, One Molecule Could Cure Our Addiction to Oil, 09.24.07