Colorado Train Museum. They were getting a steam engine ready for an event they were having the following day. I loved watching this worker prepare the engine. Every now and then they would let the steam escape and it would make this huge noise.

Stock photo: Colorado Train Museum. They were getting a steam engine ready for an event they were having the following day. I loved watching this worker prepare the engine. Every now and then they would let the steam escape and it would make this huge noise. was taken by jennyleec .