loy krathong festival in thailand, pink lotus and floating lantern lights, fireworks at night banner on purple background

abstract art artistic asian attraction background bangkok bangkok city banner believe buddhism canal candle card celebration chao phraya river copy culture decorate decoration decorative design diwali element event festival fireworks floating floating lantern full moon graphic greeting landmark loi krathong lotus loy national pagoda pink purple religion rivers season siam temple thailand vector traditional travel thailand wat arun