Straw Bale Guesthouses in Ecotopia Sweden The two prefabricated constructions are infilled with straw bales and plastered with earth on both sides during a 14-day-workshop 14tägigen Workshops in Ecotopia (Sweden) Trainer: Herbert Gruber, Gerhard Scherbaum Carpenter: local Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related