In his 7th floor apartment in Hong Kong’s Sai Wan Ho district, Gary Chang can lower a hinged worktop in his video game room and end up standing in his kitchen.

In fact, he has 24 different layouts that Mr. Chang, an architect, can transform in his 344-square-foot apartment.

The wall units, suspended from steel tracks bolted into the ceiling, seem to float several millimeters above the reflective floor. As these are moved around, the apartment becomes all manner of spaces — Continue reading...