Apparently it was hot in the cab. A 1/50th pan photo of Amtrak train 190 running through Branford, CT.
Canon EOS 1D Mark III, Canon EF 70-200 f/2.8L IS USM
Pace and pan shots of trains from on the ground or in the air. If you're not in the locomotive cab or on-board the train, it's the next best thing to being there.