Most of the soap operas always use the Christmas special to kill huge quantities of their characters. So they have trams coming off their rails, or cars slamming into each other or burning buildings. It's a general clean-out.

Every few decades, we have an opportunity to make a drastic change to the way we live our lives. We get a chance to design the building blocks of our daily routines, the infrastructure that will support and accompany us for the years to come - from the trains and trams we ride, the offices we work in, to the energy that powers our homes.