The trailer is for the Google Street View trike. Google use the trike to take images where the cars can’t go but where a bike can go.
At this same location we also get to see the inside of the trailer:
Author: fasa
Hi and welcome to the Republic of San Marino
These men welcome google to the tiny European nation of San Marino (it’s surrounded by Italy).
Google car in Prague
Hello google!
Motorized skateboard
Probably an electric skateboard.
