The main meaning of the water lights in these areas is to worship the gods, send away the disasters, and welcome happiness.
Some young men and women will also pray for a good marriage with water lamps.
This activity is traditionally performed on the final evening of the Bon Festival in the belief that it will help to guide the souls of the departed to the spirit world.
The Bon Festival takes place on the thirteenth to sixteenth of August or July, depending on the calendar used.
The peaceful custom is a gesture of respect for those who have died and gives participants a moment to think about their ancestors, loved ones or even past pets.