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WikiPedia: Cung_điện_Thủy_tinh http://londonfirejournal.blogspot.com/2005/07/crys... http://www.kientrucquihoach.com/node/356 http://www.ge35.dial.pipex.com/sirjosephpaxton1.ht... http://www.wardsbookofdays.com/1december.htm http://www.dukemagazine.duke.edu/dukemag/issues/11... http://www.ric.edu/rpotter/cryspal.html http://www.iath.virginia.edu/london/model/ http://www.victorianlondon.org/buildings/crystalpa... //tools.wmflabs.org/geohack/geohack.php?language=v... http://www.arthurlloyd.co.uk/CrystalPalace.htm