That is ash from your lye that comes from the Wooden on the Cham Islands that are all-around 12 kilometers with the coast of Hoi An. It is possible to Enroll in many excursions for instance a cycling or trekking tour and you may get to find rather secluded beaches, https://mariozcedb.blogspothub.com/33771269/the-greatest-guide-to-hoiinan