North Korean leader Kim Jong Un walks to the stage during the opening of Ryomyong Street, a high profile construction project in Pyongyang, on April 13, 2017 ED JONES/AFP/AFP/Getty Images

Security keep a close eye on the contingent of foreign journalists during an event in Pyongyang on April 13, 2017. Tim Schwarz/CNN

Foreign journalists are filmed by North Korean media. Tim Schwarz/CNN

Many North Koreans gathered to witness the opening. Tim Schwarz/CNN

North Korean leader Kim Jong Un attended the ceremony. Wong Maye-E/AP

The residential area was built in less than a year, North Korea says. ED JONES/AFP/AFP/Getty Images

Leaders on stage applaud during at the ceremony. Tim Schwarz/CNN

North Korean leader Kim Jong Un is seen on stage. Wong Maye-E/AP

A North Korean cameraman films foreign journalists. Tim Schwarz/CNN

Kim Jong Un cuts a ribbon to mark the opening of the street. ED JONES/AFP/AFP/Getty Images

After the opening, the soldiers who built the street walk down it. Tim Schwarz/CNN

A large part of the crowd was made up of soldiers. Tim Schwarz/CNN

Soldiers march down the street. Tim Schwarz/CNN