It's not just backlight. It is harsh, ugly light. The fourth one has dominating shadows. The backlit power is a total no-go for RP, but the shot itself would be greatly improved, regardless of the venue for its display, with plenty of cropping left and top to get rid of the worst of those shadows.
The first one, a dark train in a bright environment like that, just not particularly appealing. The overall light is harsh.
The second one, well, thank goodness for brightly colored engines! Could be worse. Crop at the top seems awkwardly placed.
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