This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Singapore trolleybus . en Side view of Singapore trolleybus Note that the front is designated as first class and that the rest is second class nhb gov sg jsp id simpleSearch Singaporebuses submit Search National Archives of Singapore Media Number Image Number Not clear source is cited as Bennett Mrs PDSGphoto Trolleybuses