phnom penh, cambodia postcard. wat ounalom, main cambodian buddhist temple. artistic travel sketch in bright vibrant colors

cambodia pagoda phnom penh asia buddha drawing sketch postcard bright vibrant art artistic hand drawn vivid banner modern ancient architecture buddhism buddhist building cambodian capital city culture entrance gate heritage historical khmer kingdom landmark line old onalaom poster religion religious southeast asian stone structure temple theravada tourism traditional travel tropical wat ounalom vector postcard main temple colors colors touristic book