More unusual types of vehicles in Hong Kong
Airport Apron Buses
This image comes courtesy of the Forgotten Transport blogspot with the image below caption suggesting the circled vehicle might be the first generation of apron buses at Kai Tak airport in 1947.
See: The Forgotten Transportation blogspot
Lorry buses
Rickshaws
Steamroller
Image sent in by Klaus Liphard, May 2020.

Caption: 1900s Humphrey Road, Tsim Sha Tsui. Courtesy: Flickr