Probably one of the most popular uses for Cargo Boxes in Taiwan is for public restrooms. Scattered around parks, government buildings, and especially the docks, you can see them everywhere.
At first they are hard to distinguish, however, take a look at the top and you will see a hook on every corner. That's a dead give-away that it used to be loaded on the ships. It's always good to see these discarded cargo boxes be turned into something useful.