A cabin window aboard the cabin of the first Boeing 787 prototype during its visit to the  EAA AirVenture Oshkosh event in 2011. Insulation can be seen as the cabin furnishing is not completed.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/44082489@N00">H. Michael Miley</a> from Schaumburg, USA
[<a rel="nofollow" class="external free" href="https://www.flickr.com/photos/mike_miley/5998100871/">https://www.flickr.com/photos/mike_miley/5998100871/</a> Window Seat (Flickr photo page)