bai sema boundary marker or buddha sign stone marking the sacred area at wat kaew korawaram thai buddhist temple in krabi thailand

architecture art asia asian bai boundary buddha buddhism buddhist cave cavern color culture destination east faith god gold golden head khua krabi lak marker monument mystery naga peaceful phuket pray religion religious sculpture sema shrine sign southeast spirit spiritual statue stone suwan suwankhuha temple thai thailand tham tourism travel wat yellow zen