The Bangkok Post has a video story on a man who recovers artefacts from the Chao Phraya river for sale.
Diving for antiques
Bangkok Post, 10 July 2014
A man who has been diving in the Chao Phraya River searching for old china, plates, gold and coins tells us about his 40-year-career and his views on fish and ghosts. (Video by Jetjaras Na Ranong)
Full story here.