the ruin square base of the main brick stupa of khao klang nok on left side, influence of draravati culture, 8th-9th century a.d.

8th9th ancient archaeological architecture asia asian attraction background base brick buddhism buddhist building century culture destination draravati famous green heritage historic historical history holy influence khao klang landmark landscape left main monument nature nok old pagoda period petchaboon religion ruin side site sky square stone stupa temple thailand tourism tower travel wall wat