I hope they have salvaged more than what is shown in the photo. Nice to see anyhow 

They have nearly the entire plane Syber, they took the wings off and they are in a different poly-tunnel, they have also split the fuselage too to try to make it easier to clean 

Another article here, and you get a better idea of what was raised in this pic:

http://www.warhistoryonline.com/war-articles/salvaging-dornier-17.html

Been a while but here is the latest:

http://www.warhistoryonline.com/war-articles/dornier-17-moves-next-stage-conservation.html

Note best to click the link at the end or the article as it opens the full report that has more pictures

Another nice article here:

http://www.culture24.org.uk/history-and-heritage/military-history/world-war-two/art503408-how-the-raf-museum-is-conserving-the-worlds-last-remaining-world-war-two-dornier-bomber

"I'm not an expert in this field but I would guess that it has been hit by ground fire then the Defiant has come in behind and shot at it and finished it off," says Priday.

He's right, he's not an expert the Bolton-Paul Defiant was a turret fighter and had no forward facing guns:

http://en.wikipedia.org/wiki/Boulton_Paul_Defiant