build them in places that are because heght? expand the capacity of those places to house people and people will go there. there we are not thinking on the magic of this thing that is very hard to see. i convinced is small. and for structure let's is combined things better and make more from less. we are banking on the fact that we know that some placer better at making stuff than others. that is a big effect. little things besides that. don't build like rails that need subsidies. every time i think about confidence, providence is a little town and it is out of the way and not very important. milliont to spend $100 to build a small light rail system. you do the math on the basis of the projected ridership. these are projections by people who want to be paid by building the thing. there's just no way to make that make sense. buses on the way to go congestion pricing, we all love that. the seas are rising. we still have 40 or 50 years before it begets -- before it gets to be a crisis. most of the time we will lose if we fight that