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The portraits of late leaders Kim Il Sung and Kim Jong Il are seen lit at dawn at Kim Il Sung Square on Saturday in Pyongyang, North Korea. Amid rising regional tensions, Pyongyang residents celebrated North Korea's most important holiday: the 105th birth anniversary of Kim Il Sung, the country's late founder and grandfather of current ruler Kim Jong Un. Photo: AP

A portrait of the country's founder Kim Il Sung is carried during a parade at Kim Il Sung Square in Pyongyang. The parade, the annual highlight of the holiday, came amid growing international worries that North Korea may be preparing for its sixth nuclear test or a major missile launch, such as its first flight test of an ICBM capable of reaching U.S. shores. Photo: AP

The parade also included large rockets covered by canisters in two different types of transporter erector launcher trucks, or TELs. In this image made from video broadcast by North Korean broadcaster KRT, military vehicles prepare for a parade at Kim Il Sung Square in Pyongyang. Photo: AP

North Korean schoolgirls perform at the Mangyongdae Children's Palace in Pyongyang, North Korea. Photo: AP

Also on display at the parade was a powerful midrange missile that outside analysts call a “Musudan,” and which can potentially reach U.S. air bases in Guam, as well as a new solid-fuel midrange missile that can be fired from land mobile launchers, making them harder to detect before launch. In this image made from video broadcast by North Korean broadcaster KRT, soldiers take part in the parade. Photo: AP

Other military hardware at the parade included tanks, multiple rocket launchers and artillery, as well as a solid-fuel missile designed to be fired from submarines. Missiles taken out in the parade. Photo: AP