blind stone door flanked by colonettes at ku phra kona, roi et province, northeastern thailand

11th ancient architectural architecture asia baphuon blind brick buddha buddhism building built century chedi colonette colonettes door entrance false flanked gate group historical history isan khmer kona laterite northeast northeastern pagoda pagodas phra prang province religion roiet ruin sanctuary sandstone shut stone stupa style suwannaphum temple thai thailand tower window with