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On the sign:
MILLENNIUM HERITAGE TRAIL LONDON BOROUGH OF GREENWICH
A point on the Millennium Route that was inaugurated in Greenwich on the occasion of the year 2000, and presents historical points. This route is also sometimes marked with a "World Heritage Site" sign when it passes by such places Click for sign's details
The current sign is near Ballast Quay and the iron anchor wharf. The area was photographed on the same day Click for a larger image