The staircase to the Main Building has a decorative keystone at its end and a keystone in its centre being the key to supporting the arch.
The staircase to the Main Building has a decorative keystone at its end and a keystone in its centre being the key to supporting the arch.
The staircase to the Main Building has a decorative keystone at its end and a keystone in its centre being the key to supporting the arch.
Close