The first official earthship district (23 earthships) in Europe was developed in Olst (the Netherlands). Building started in Spring 2012 and completed in December, 2014. In Belgium, 1 earthship hybrid is also being built, intended as demonstration buildings. Since it is illegal to use tires in Belgium (for risk of leaking toxic metals like lead and zinc),EOS magazine, March 2012 the project uses earthbags instead.
