Room with Dimension of  an( average of) 5 ✖️6 ✖️ 4 m contains: 
1- The Object Installation (The nest ) 
A conical structure, which made of plastic cone ( 3 m ✖️2 m ✖️ 1 m )  covered by cement and hanging from ceiling above the eggs (20 egg ) with the area of ​​the dump nest. 
2- Video projector