Material: Glass Reinforced Gypsum (GRG)

Glass-reinforced gypsum technology produces thin, lightweight, high-strength pieces for architectural applications. There are plaster compounds to meet the demands of a wide range of hand lay-up and spray applications. from Georgia-Pacific's site.

This seems super cool and versatile but I couldn't find many examples of it put to use in an amazing way. Except maybe this, but it's coolness stems from it being an old form created with a different material. I'd want to see some LOTR shit combined with alien stuff, whatever that looks like.

Hamamatsu Bridal Chapel, Hamamatsu, Japan