© Licensed to London News Pictures. 18/04/2017. LONDON, UK.  Greenwich landmarks: the Old Royal Naval College, the Queen's House, the National Maritime Museum and the Royal Observatory are seen lit up at night across the River Thames in south east London as boats pass by, to mark World Heritage Day 2017, which celebrates the international day for monuments and sites. This is the 20th anniversary of Maritime Greenwich being designated as a UNESCO World Heritage Site.  Photo credit: Vickie Flores/LNP
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