Apartments, apartments, everywhere; nor any flat to buy: Survey after survey reveals that young Chinese are stressed out — and skyrocketing property prices are one of the main reasons. Zhuo Yang/NPR hide caption

itoggle caption Zhuo Yang/NPR

Parking spaces behind 298 Commonwealth Avenue in Boston are seen Friday. The two open spaces at right, front and back, were sold at auction for $560,000. Michael Dwyer/AP hide caption

itoggle caption Michael Dwyer/AP

A screengrab of a satellite image of Cordoba, Spain, in 2004 (left) and 2011. Satellite images via Google Earth and Nación Rotonda hide caption

itoggle caption Satellite images via Google Earth and Nación Rotonda