Combo picture shows satellite images depicting what Amnesty International says is the construction of an entrance gate of North Korea's Ch'oma-Bong valley

 
Combo picture shows satellite images depicting what Amnesty International says is the construction of an entrance gate of North Korea
What Amnesty International says is the construction of an entrance gate in North Korea's Ch'oma-Bong valley, is seen in this combination picture made of satellite images taken in 2008 (top) and 2013 and released by human rights organisation Amnesty International in London on March 7, 2013. REUTERS/Digital Globe 2013/Amnesty International/handout