pa sak jolasid dam to prevent flooding

adulyadej architecture background bhumibol building cement cholasit concrete construction control dam determination energy engineering exterior falling flood flooding floodinglopburi flow flowing force gate his hydro hydroelectric jolasid king landmark lopburi majesty nature old open outdoor outdoors pasak plant power powerful prevent project recreation reservoir sak saraburithailand scenery sky spray structure summer supply technology thailand travel vacation view wall water works