This is probably a joke but I'll answer anyway
By 'cheeks' they mean buttocks so by "making them clap" is referring to them being so big/thick that they clap or make noise when you walk or move around or something.
I probably got played lol but whatever
Answer:
Explanation:
The artist, architect and engineer could work collaboratively to integrate the artist's ideas into the building/facility, or
Funds can be pooled for community-based public art projects, and
The architect must work cooperatively with the artist and provide the artist, in a timely manner, with all necessary plans, blueprints, drawings, and other such materials that the artist deems necessary to his/her work.
Airy? Is that what you are going for?