Whenever there was difficulty in communicating in 2D drawings, models were made and shipped to China to make sure the contractor understand what the design required. In this case , it is the sun shadings and how they work for the buildings.
I have insisted on developing a master plan for the college town site at the outset of the planning phase. Master plan was not common practice then in China. With a master plan, this college town could be built in phases and still achieved a cohesive whole plus the balance of buildings and open spaces.