ancient ordination hall underwater or sunken antique ubosot for thai people traveler travel visit and respect praying blessing

abandoned ancient antique archaeology attraction beautiful buddha buddhism buddhist church civilization culture deep destination famous floods heritage historic historical history lake landmark legend monument nakhon nakhonsawan pagoda phon pron religion ruin sanctuary sawan scenery scenic si sightseeing spirituality sunken temple thai thailand tourism tourist tower traditional travel ubosot underwater uthum uthumphon uthumpron wat worship