lovely colorful mosaic mandalas decorated with gems, at pha sorn kaew, in khao kor, phetchabun, thailand

colorful mosaic mandalas art floor wat pra pha sorn kaew khao kor phetchabun temple travel asian asia ancient religion thailand tourism architecture bangkok landmark thai buddhism buddha buddhist history golden palace culture grand traditional building decoration emerald city tourist pray pagoda statue background spirituality sky place monastery phra religious structure heritage east