Complex sentence: It is Chak Phra Festivals on land and on the Tapi River.Before Chak Phra Day, on the night there are build the screen of Buddha's story around the city and celebrate its all day all night.
Split into simpler sentences: It is Chak Phra Festivals on land and on the Tapi River. In the evening prior to Chak Phra Day, billboards are erected showing Buddha's story around the city and celebration continues all day and all night.