Five examples of building with seaweed

Last week I reviewed the book The Seaweed Revolution, which I very much enjoyed. It mentions a vast range of uses for seaweed, some in detail, some in passing. One that caught my eye was the use of seaweed as a building material. It only gets a couple of paragraphs, so I bookmarked it to go and look up some examples.

Seaweed has been used as a building material in several different traditions. One of the most impressive is Japanese Shikkui, a lime-based plaster and render that uses seaweed e...