Elderly residents gather in a dying village in the Sierra Francia region, northwest of Madrid. Lauren Frayer for NPR hide caption

itoggle caption Lauren Frayer for NPR

Affordable housing condo buyer Marilyn Phillips says she had to jump many hoops before purchasing her unit in D.C.'s Anacostia neighborhood. Courtesy of Manna Inc. hide caption

itoggle caption Courtesy of Manna Inc.

Children watch from their home in Ferguson, Mo., on Aug. 20 as people march about a mile to the police station to protest the shooting of Michael Brown. Brown's shooting in the middle of a street by a Ferguson police officer on Aug. 9 sparked protests, riots and looting in the St. Louis suburb. Some people are ready to leave the troubled city. Others say they will remain no matter what. Charlie Riedel/AP hide caption

itoggle caption Charlie Riedel/AP

Alan Shuminer lives on two acres of land in a house with a current list price of $3.3 million in Miami — and he only pays $2,600 a month. He is a home manager for Showhomes, a home staging company. Showhomes hide caption

itoggle caption Showhomes

Apartments are still under construction in Wuxi, outside Shanghai, despite a glut in the market and almost no local demand. This development is to have 2,500 residential units. PR Newswire Via AP hide caption

itoggle caption PR Newswire Via AP

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

How much is it worth?

Robert Smith/NPR hide caption

itoggle caption Robert Smith/NPR