This is the famous Fokker Dr.I Triplane. This type was flown by the “Red Baron” Baron Manfred Freiherr von Richthofen. The shown plane is a replica of the old plane, because there exists no one of the original planes that is airworthy anymore.
Duxford, June 2012.
Canon 5dMkII and Canon 24-70mm at f/ 4.0 iso 100 1/2000.