Wat Arun Temple

From the web: Monumental Buddhist temple right on the river, with an iconic, ornately tiled central prang (spire).
It costs 100 baht= almost 3 euros (they give you a little water bottle too)
After you can take the boat that coast 5 baht to go visit the other temple WAT PHO

It closes at 18:00
-sunset is nice in thereLes mer