laterite iron as pillar at wiang tha kan (san pa tong, thailand)

thailand temple history historical thai building religion buddha art old wat asia brick city beautiful archaeological site worship chiang mai historic culture buddhism buddhist architecture ancient wall tourism nature lanna pagoda traditional stupa travel outdoor ruin tourist religious structure stone northern attraction sculpture tree popular faith collapsed respect heritage place wiang tha kan formed hariphunchai period older era prior kingdom king meng-rai november 2022 laterite iron pilar tong pillar pillarat meng-rai thailand