'Penny coins are added or taken away from this London landmark's pendulum to fine-tune its accuracy'
Big Ben
LANDMARKS: Penny coins are added or taken away from this London landmarks pendulum to fine-tune its accuracy
Penny coins are added or taken away from this London landmark's pendulum to fine-tune its accuracy
Penny coins are added or taken away from this London landmark's pendulum to fine-tune its accuracy
LANDMARKS
Big Ben
LANDMARKS