Leaders of China, North Korea and Russia unite for giant parade

The leaders of China, Russia and North Korea have been seen in public together for the first time.

The President of China, Xi Jinping, invited the President of Russia, Vladimir Putin, and Kim Jong Un, the leader of North Korea, to watch a huge parade in China.

The military show was held in Beijing to celebrate the end of World War Two in Asia.

But why else was it so important? Watch to find out more.