LAPAZ: Gold and silver pieces as well as bones and pottery from 1,500 years ago have been discovered in Lake Titicaca by underwater archaeologists, a researcher said on Tuesday. " we found 2,000 objects and fragments," Christophe Delaere, the Belgian co-director of the Huinaimarca Project that unearthed the items, said at a ceremony in LaPaz. The expedition began two months ago. Explorations turned up objects from different eras, both Inca era and pre-Inca (1438-1533). AFP