Pitt River Bridge

The new bridge structure was built between the two earlier bridges, which were subsequently demolished; all demolition was completed on November 22, 2010.
https://en.wikipedia.org/wiki/Pitt_River_Bridge#New_bridge_and_Mary_Hill_Interchange_Project
11-22

Beacon Hill Tunnel (Hong Kong) second tunnel

horseshoe-shaped, 11 metres wide by 9 metres high 11x9m
https://en.wikipedia.org/wiki/Beacon_Hill_Tunnel_(Hong_Kong)#Second_tunnel

shapes, numbers & patterns: snp