Yes , because if they did not it would be easier for people to steal and or touch, damage the art .if there are less people it is easier for the staff to manage
Donna summer was famous for disco
E = mc 2, equation in German-born physicist Albert Einstein's theory of special relativity that shows that the increased relativistic mass (m) of a body comes from the energy of motion of the body—that is, its kinetic energy (E)—divided by the speed of light squared (c 2)
