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Find a Wikipedia image that answers this question: What color is the support structure outside of the main entrance to the Imperial College London?

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Represent the given Wikipedia image with related text information: Main entrance, Imperial College, London (geograph 5751173) Main entrance, Imperial College, London.

['<|image_1|>\nRepresent the given Wikipedia image with related text information: Apothecaries Hall entrance, Black Friars Lane EC4 - geograph.org.uk - 1271897 Apothecaries Hall entrance, Black Friars Lane EC4.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Government College Lahore inner view, aik bolte daastan. IMG 20170727 Government College Lahore , inner view, that reminds us picture of many succeeder, that reflects memories of many pass outs of before and after partition.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Exeter College from Broad Street 2 Exeter College, Oxford seen from Broad Street.\n', "<|image_1|>\nRepresent the given Wikipedia image with related text information: King's College London Maughan Library Reading Room2 A closer look towards the dome of the famous reading room at the Maughan Library, the biggest library of King's College London.\n", '<|image_1|>\nRepresent the given Wikipedia image with related text information: Christ Church College Rooms Peckwater Quadrangle, Christ Church, Oxford.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Boston5811  Boston, Massachusetts, USA.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: London 2341.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Ivey Hall, Lincoln University, New Zealand Ivey Hall, Lincoln University, New Zealand.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: British Museum 2013 March British Museum.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: The Codrington Library, All Souls College, Oxford 4 See title.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: College West, San Diego, CA, USA - panoramio (43).\n']
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