During this time, Southeastern services will be diverted into either Blackfriars, Cannon Street or Charing Cross, and buses will replace London Overground trains between Surrey Quays and Clapham Junction.

Source: https://londonnewsonline.co.uk/network-rail-works-on-south-london-tracks-to-cause-diversions-over-festive-period/?utm_source=rss&utm_medium=rss&utm_campaign=network-rail-works-on-south-london-tracks-to-cause-diversions-over-festive-period

"I love the contrast of the bright handrails and train doors against the saturated walls and stairs at Surrey Quays."

Source: https://londonist.com/london/transport/tube-mapper-london-underground-symmetry-photos