Giant monsters destroying trains with passengers still in them (...as a micro-genre!) provokes a flashback to this.
Conceptual Continuality Alert! If you click to enlarge (and manage to get past Racquel Welch's breasts!) you'll see there are little people falling from the train. (And also the building) Ditto on the Evil Jigsaw Puzzle: little people falling from train... though that one's so doggedly Brutalist that it's still hard to beat.
Could be wrong, but doesn't look like the same artist.
(Spends 5 minutes flicking back n forth...): hmmm...not so sure now; looks like it might pos. be the same guy...but wouldn't that be a great trademark to have as an artist: every painting you do has little men falling out of trains...