Illustrative Halacha or, The Succah on the Camel

The Rambam summarizes in Chapter 4 of Hilchot Zemanim of his Mishneh Torah:-

Halacha 6
If a person constructs his sukkah on top of a wagon or on the deck of a ship, it is kosher, and one may ascend to it on the festival. If one constructs it on the treetops or on a camel's back, it is kosher, but one may not ascend to it on the festival, because climbing on a tree or animal is forbidden on a festival.

And thank's to Real Jerusalem Streets of Sarah Marks Altshul:

we have illustrative halacha.

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