Mosaic City, located along China's coast, is quite large city sometimes called the Crossroads Between Nations due to its diverse population. While it was once a large tourist spot, the city was placed under a blockade as the military appeared claiming there was a radiation leak. The true hazard, however, is much more sinister.
This is where all shadows can put their "Feeding Threads." ICly, these threads will take place in the city where your shadow will feed on the emotions of nearby humans for strength.