Tower of London / 2019

Late C11 White Tower (Keep), architect: Bishop Gundulf for William I. Built by Norman masons, using English labour.

Late C13 Traitors' Gate / St Thomas's Tower, architect: James of Saint-George for Edward I. Providing a water-gate entrance into the Tower.

Grade I listed building and World Heritage Site. London Borough of Tower Hamlets. 

(CC BY-NC-ND 2.0)