Inside the mockup of the new Siemens Thameslink class 700 "Desiro City" EMU at the London ExCel Centre.
One of the overhead passenger information displays, which cycle through various screens. Here it is showing what London Underground lines connect to Blackfriars.
<a href="//commons.wikimedia.org/wiki/User:Mattbuck" title="User:Mattbuck"><i>mattbuck</i></a> <small>(<a href="//commons.wikimedia.org/wiki/Category:Images_taken_by_mattbuck" title="Category:Images taken by mattbuck">category</a>)</small>
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<span class="int-own-work" lang="en">Own work</span> by <a href="//commons.wikimedia.org/wiki/User:Mattbuck" title="User:Mattbuck"><i>mattbuck</i></a>.