The Sen̓áḵw development in central VancouverCourtesy of the Squamish NationCanada's First Nations are constructing dense new housing in the country's most expensive city.Canada faces a severe housing affordability crisis and the projects aim to help solve it. Take a look at three of the ground-breaking developments. Canada's First Nations are breaking new ground with several major housing developments in the city of Vancouver.Like the US, Canada is facing a severe housing affordability crisis, in large part driven by a shortage of homes — and Vancouver has some of the highest housing costs in the country.