HIP-S-000250-1196 South elevation of the White Tower, Tower of London, 1815. Work on the White Tower probably began in around 1077 after William the Conqueror, having occupied London, ordered fortifications to be built. Work slowed after his death in 1087 and the White Tower was not finished until after 1100, London Metropolitan Archives, London Credit: London Metropolitan Archives (City of London) / Heritage Images /Alinari Archives, Florence WARNING: Permission must be required for non editorial use. Please contact Alinari Archives Place of photography: Great Britain, London, London Metropolitan Archives Collection: Heritage Images /Alinari Archives, Florence Object type: digital image Photographic technique: P digital image Technical info Image sizes (pixel): 2789 X 3837 Image sizes (cm at 300 dpi): 23 X 32 Image sizes (MB): 2.46 Color space: RGB