We previously mentioned Design Indaba, where 10 architectural teams were challenged to "provide innovative and dynamic design solutions for the low-cost housing sector;" the first house by Luyanda Mpahlwa is under construction. (TreeHugger here, construction photos on dezeen here). Now we get to see some of the other entries, yet to be built.
Don Albert (Cape Town) with Tom Dixon (London)
cool video from Thomas Heatherwick (London)
more at ::Dezeen