Google unveils detailed map of North Korea

The map is a culmination of years of data collected from "citizen cartographers" via the Map Maker feature of the company's Google Maps software. Read related story

A before and after comparison of the entire country of North Korea.

A before/after comparison of North Korea's capital, Pyongyang.

Comparison along the South Korean border, 25 miles from Seoul.

Along the China/North Korea border.

The location of the North Korean Prison Camp No. 22, approximately 87 square miles.

SOURCES: AutoNavi, GIS Innovatsia, Data+, Google SK M&C, Zenrin. GRAPHIC: The Washington Post. Published Jan. 28, 2013.