hollowed tower keystone is in the us version that's the only version i know, sorry!
the answer for i am called the keystone state is Pennsylvania
Pennsylvania is known as the "Keystone State"
Pennsylvania's official nickname is the "Keystone State".
Keystone State Skinheads was created in 2001.
The Keystone State and the Quaker State. Quaker State Oil (for vehicles ) got its name from PA's nickname.The Keystone State, or in colonial times Quaker State.
Pennsylvania is known as the Keystone state because in the original 13 colonies, Pennsylvania was in the middle, just like a Keystone.
Keystone State Park - Pennsylvania - was created in 1945.
Pennsylvania is known as the Keystone State.
The Keystone State.
Pennsylvania.
Philadelphia
Pennsylvania