utho wipat prasit floodgates at sunrise in pak phanang, nakhon si thammarat, thailand

agriculture architecture asia beautiful building buildings cloud concrete construction dam design ecology engineering environment famous flood floodgates hyacinth hydroelectricity industry irrigation king landmark landscape nakhon nakhonsithammarat nature pak pakpanang phanang prasit project protect public rama reflection reservoir royal rural scenic sky spillway structure technology thailand thammarat the tourism tropical twilight utho uthokawiphatprasit water wipat