Author - Smiley.toerist, image source - Wikimedia Foundation. https://commons.wikimedia.org/wiki/File:Interior_SIG_tram_Utrecht_1991.jpg
![](/image/2021/5/6/1599px_interior_sig_tram_utrecht_1991.jpg%28mediaclass-full-width.c3083fedae46a95f1139ff9d5833b1b6b8e20a69%29.jpg)
Author - Smiley.toerist, image source - Wikimedia Foundation. https://commons.wikimedia.org/wiki/File:Interior_SIG_tram_Utrecht_1991.jpg