New Delhi, Sept. 2 -- North Korean leader Kim Jong Un arrived in China on Tuesday aboard his private train to attend a military parade in Beijing, a rare travel outside of his country that will focus on his ties with Xi Jinping and Russian President Vladimir Putin.

Kim Jong Un reached China on his signature green bulletproof train, which relies on slow but a specialised form of travel. The train has been used by North Korean leaders for decades.

Since becoming the leader of North Korea in 2011, Kim Jong Un has travelled in this train to Russia, China and Vietnam.

Taeyangho, the bulletproof train that Kim Jong Un uses for his travels abroad, is often dubbed as a 'moving fortress'. According to Yonhap News, the train travels at a speed o...