That is ash in the lye that emanates from the wood around the Cham Islands that happen to be about twelve kilometers in the coast of Hoi An. resource: citypassguide Hoi An’s Japanese Protected Bridge, dating back into the 18th century, is One of the more legendary sights in Vietnam. https://griffincffgf.ssnblog.com/34156958/hoi-in-an-no-further-a-mystery