Are these American cities that unique in this regard, or for that matter, even that old? Probably this is a genuine difference between a novel development in a

Are these American cities that unique in this regard, or for that matter, even that old? Probably this is a genuine difference between a novel development in a new Chinese city, but the fact is these major infrastructure projects are done much more cheaply in places like Paris and London. _In some ways, M.T.A. projects have been easier than work elsewhere. East Side Access uses an existing tunnel for nearly half its route. The hard rock under the city also is easy to blast through, and workers do not encounter ancient sites that need to be protected._ _“They’re claiming the age of the city is to blame?” asked Andy Mitchell, the former head of Crossrail, a project to build 13 miles of subway under the center of London, a city built 2,000 years ago. “Really?”_ https://www.nytimes.com/2017/12/28/nyregion/new-york-subway-construction-costs.html https://www.nytimes.com/2017/12/28/nyregion/new-york-subway-...