That is a practical impossibility: the carriages would have to be designed so that no matter the direction of train travel, the windows would always have to face East...So don't be silly, JJ.
Maybe the Railways companies will fall over backwards and build special carriages that are facing east stuey, except that they must able to fit into any tunnels on the line. The same way that they fall over backwards to let them build as many mosques as they like to keep them here, now that they are......here.
Have you not heard of Viz magazine stuey? It's an outrageous adult comic that's been going for years. well-known feature called top-tips - for silly ideas. here's some examples:
http://viz.co.uk/category/top-tips/page/2/
The special carriages would have to be self releasing - operated by the train driver, and the undercarriages greased with a little semtex. There is a Dining car for their exclusive use with halal ham and pickled pulled pork snacks.