the pyramidal roof of central tower or thap nam, ponagar cham towers that lacks terracing or pilasters, po nagar is religious

abandoned aged ancient towers antique asia buddhism central tower cham champa church dynasty empire goddess heritage hindu hinduism indochina khmer masterpiece memorial monastery monument nha trang vietnam north old pagoda poklongarai ponagar praying pyramidal roof recycled bricks religion religious royalty ruins sculpture shiva shrine site spiritual stone temple thap ba chinh nam travel unesco worship