A monk climbs into the attic of a Buddhist temple to collect birds' nests in Thailand's Phetchaburi province, about 120 km (75 miles) south of Bangkok January 13, 2008. The temple, a place of worship for locals, is also home to thousands of swifts nesting in its attic. For the last five years, monks have collected and used the money from selling the birds' nests to support the temple and its grounds. Bird's nest, which is believed to have medicinal properties, is sold for up to $2,000 per kilogram. Picture taken January 13, 2008. REUTERS/Sukree Sukplang (THAILAND)

Monks collect bags of birds' nests as they are lowered from the attic of a Buddhist temple in Thailand's Phetchaburi province, about 120 km (75 miles) south of Bangkok January 13, 2008. REUTERS/Sukree Sukplang (THAILAND)