large thammachak carved stone, dvaravati period art, located in si thep historical park, phetchabun, thailand

buddha statue angkor traditional hindu carved khmer cambodia siem sandstone world archaeology sculpture wat god building rock unesco place thai religion history heritage old historic historical wall travel culture stone ancient architecture landmark monument tourism site buddhism asian asia art religious background hinduism texture decoration carving landscape temple monastery relief large thammachak dvaravati period located thep park phetchabun thailand thailand