CNN - How to cram a dream home into a 309 square foot apartment

In Knight and Tennant's convertible apartment, floorboards automatically lift for extra storage, cupboards drop down from the ceiling, a chopping board folds over the kitchen sink to create more counter space, and walls slide to divide rooms.
The apartment is equipped with smart technology, with locks and lights fully app-controlled.
The comforts extend to the couple's three cats, a playful ladder, walkway installed around the perimeter of the ceiling, a hidden litter box under the sink that has a separate ventilation system to keep the air smelling fresh, and a pullout drawer with feeding dishes.
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