Hakodate Transportation Bureau's Float Trams, in Hakodate Port Festival. These cars run for advertisement, not for passengers.
<a href="//commons.wikimedia.org/wiki/User:Suisetz" class="mw-redirect" title="User:Suisetz">Sui-setz</a>
CC BY-SA 3.0
own work(photographed by <a href="//commons.wikimedia.org/wiki/User:Suisetz" class="mw-redirect" title="User:Suisetz">Sui-setz</a>)