That particular omnibus seems to be a modern replica:
https://www.coyaltix.com/picnic-wagonpk4/
Some buses of the time period did have a similar multi-floor design. This one is from the 1880s:

That particular omnibus seems to be a modern replica:
https://www.coyaltix.com/picnic-wagonpk4/
Some buses of the time period did have a similar multi-floor design. This one is from the 1880s:

IRL version: https://m.youtube.com/shorts/jselGCqu458