Not the most exciting, or revealing of leaks. Less interesting, then, say, their leaks of Turkish dessert recipes[0]. Great attempt at clickbait though!
Compare the locations with https://www.internetexchangemap.com/ and you'll see that most of these are just the natural locations for datacenters. Most of these locations are within a few kilometers, sometimes within a few hundred meters, of other commercial datacenters.
They generally fall within: Close to major population and finance centers with affordable power, abundant fiber, and local/state governments willing to give subsidies... like every other datacenter.