People leave flowers and tributes at a memorial wall at the base of the Grenfell Tower in Ladbroke Grove, West London, Britain, June 14, 2018. More than 200 survivors were allowed back inside Grenfell Tower in London on Thursday to help them comprehend the scale of the disaster as the British capital marked the first anniversary of the deadly fire. A total of 223 people escaped the blaze a year ago, while 72 were killed. (Xinhua/Stephen Chung)