fujie arisa, nhk world. >>> now an ancient temple in japan has revealed a centuries-old secret.sing special x-ray equipment, staff have uncovered traces of images of buddhist saints at the world heritage site. the huge door was made when the temple was built nearly 1,000 years ago in kyoto prefececture. it opens onto the temple's main room known as the phoenix hall. temple officials and researchers began analyzing the wooden door two years ago. they detected traces of pigment including lead and copper across its surface. those formed the outlines of buddhist saints flying on clouds. >> translator: it's surprising that traces of these images have remained over the years. it's amazing that a scientific investigation revealed something so unexpected. >> the chief priest hopes to show the discovery to the public. >>> let's check out the world weather with our meteorologist yoko komagata. so yoko, rescue efforts are still ongoing in vietnam after days of heavy rain caused severe flooding. what's the latest on this deadly situation? >> so the next storm system, named nanka, is now hea