Recently won the Dewar Trophy, which is the reason these photos came out.
Couple more pics. I know the engine is tiny, but the compressor looks huge.
http://img1.auto-motor-und-sport.de/Mercedes-Formel-1-GP-Russland-Sochi-8-Oktober-2014-fotoshowBigImage-36f134d8-815946.jpg
http://img1.auto-motor-und-sport.de/Williams-Technik-GP-Russland-2014-fotoshowBigImage-9d6b9f7a-818287.jpg