Union Pacific GE AC4400CW-CTE No. 5687 is inside the former Rio Grande backshop at Burnham Shops in Denver, Colorado, for an overhaul on the evening of December 7, 2015.
A continuously growing album of photos that IMHO reveal the awesome and seldom-seen beauty of the railroad world from the dimming of day to dawn's early light! From dusk to dawn, trains roll on! (I'm still finding gems of sunset-to-sunrise surprises!)