Zach nodded at what his co-workers have to say, but he wanted to pursue the idea for some thought it was good.

"Well, since the streets are a bit narrow, we can alternate them in either side of the street." he said looking at them. That answers the claustrophobic problem.

"And it will work in any flooring, concrete, pavement, even in cobble. As long as we creat the hole in the road and properly arrange the trees, it will be a success." he said looking at the group as if giving a pep talk.