The change of Beigou Yard's outlook implies the evolution of Beigou Village's image. The transformation of the yard from a squalid place into an international one results from various architectural ideas and joint efforts from different groups, including villagers, designers and the architectural teams. The Beigou Yard and the Great Wall echo each other to create a unique landscape at the foot of the Great Wall. This lesson will discover the characteristics of the Beigou Yard in terms of architectural style and ideas and discuss how nature and architecture can better co-exist harmoniously.