The Huizhou style is the __________ architecture in the villages: white walls, dark tiles, horse-head gables, stone drums or mirrors and open interior courtyards are __________ features. It was the style favored by the local __________ class. Reputed as "A Living Ancient Residential Museum" by experts and tourists at home and from abroad, they were __________ as a world cultural __________ site by UNESCO in 2000.