If we ever build a new expedition camper, we would also put in a bed in like this. Gives you so much extra space. But seriously don't install a lavatory sink, most of the time your kitchen sink is just a few steps away.
What can a square backyard do? House a phenomenal place to swim! This shot of a backyard swimming pool by BioNova Natural Pools demonstrates how an average yard can be transformed into a living water paradise.