>> commissioner sadin schnair: a couple of comments. i know when we had our informal meeting, the reflective panels we discussed about the different materials. i know you are still working on that. one of the things, though, i think is important to consider is because you have the curvature, the reflective quality, on these major thoroughfares, is something to just be aware of in terms of -- from a safety standards and issues that way. so i wanted to be on the record saying that as we move forward and we work on bringing different materials and stuff, that we keep that very much in the fore front. i know the concept is reflective. but there's a way it do reflective on curves without it being glaring. i know you are aware of that, but i wanted to state that. also, i'm wondering about the durability of the curved doors on the bathrooms because they're on tracks and stuff. if you could speak to that. >> francois, jcdecaux. the existing units we have today have curved panels. the door is curved. it swings in, but it looks like it's sliding