reveal unusual burial methods in Ponce, Puerto Rico

Puerto Rican archaeologist Hernan Bustelo sits next stones etched with ancient petroglyphs and graves that reveal unusual burial methods in Ponce, Puerto Rico, Tuesday, Oct. 23, 2007. The archaeological find, one of the best-preserved pre-Columbian sites found in the Caribbean, form a large plaza measuring some 130 feet by 160 feet (40 meters by 50 meters) that could have been used for ball games or ceremonial rites, officials said.