Anyone who is interested in architecture, ecology or technology can try this fun quiz.This fun quiz is also designed as comprehension check for ESL learners at the high-intermediate and advanced levels. One can do this exercise after watching the 7-minute film entitled "The Living Roof" produced by Cora Chen. The Living Roof from cora on Vimeo. The Living Roof from cora on Vimeo. Visit Cora Chen's website