Trikes for hauling stuff. 2 wheels at front, one wheel at the back.

Here's a guest post article from ClubOrlov:

http://cluborlov.blogspot.com/2012/01/r ... carts.html

"... Living on one such street, all of them unpaved here, I have noticed a discernible uptick in the number and variety of pushcarts. Here they are called tricyclos. In other places—Denmark or Holland, for instance—modern pushcarts are “cargo cycles.” They can take different forms but the most common is what is known in the bike world as tadpole or front-load trike—2 wheels in front and 1 wheel in the back. These are ideal for food vendors or pedicabs which require frequent interactions with the scene on the street.
..."