In Pics: China provides top security to North Korean leader Kim Jong-un

North Korean leader Kim Jong Un began a two-day visit to Beijing on June 19 in what analysts believe is a trip to brief his sole major ally on his unprecedented summit with US President Donald Trump and seek consensus on next steps in negotiations with Washington.

Chinese bikers honour guards

Chinese bikers honour guards prepare to escort the car believed to be carrying North Korean leader Kim Jong Un at the Diaoyutai State Guest house Beijing on June 19, 2018. North Korean leader Kim Jong Un began a two-day visit to Beijing on June 19 in what analysts believe is a trip to brief his sole major ally on his unprecedented summit with US President Donald Trump and seek consensus on next steps in negotiations with Washington.

Chinese paramilitary police officers stand guard

Chinese paramilitary police officers stand guard on a bridge near the airport's VIP gate, as North Korean leader Kim Jong Un visits China, in Beijing on June 19, 2018. The trip will be Kim's third to China since March, when he made his inaugural foreign visit as leader.

Kim Jong Un and his wife Ri Sol Ju

North Korea's leader Kim Jong Un and his wife Ri Sol Ju attending a ceremony prior to their departure for China.

Kim Jong Un began a two-day visit to Beijing

The car believed to be carrying North Korean leader Kim Jong Un is escorted by motorcycles in Beijing on June 19, 2018. North Korean leader Kim Jong Un began a two-day visit to Beijing on June 19 in what analysts believe is a trip to brief his sole major ally on his unprecedented summit with US President Donald Trump and seek consensus on next steps in negotiations with Washington.

Escorted by motorcycles

The car believed to be carrying North Korean leader Kim Jong Un is escorted by motorcycles in Beijing on June 19, 2018. North Korean leader Kim Jong Un began a two-day visit to Beijing on June 19 in what analysts believe is a trip to brief his sole major ally on his unprecedented summit with US President Donald Trump and seek consensus on next steps in negotiations with Washington.

Waving to children

North Korean leader Kim Jong Un (R) and Chinese President Xi Jinping (L) waving to children after reviewing an honour guard during a welcome ceremony in Beijing's Great Hall of the People. North Korean leader Kim Jong Un briefed Chinese President Xi Jinping on June 19 on his historic summit with US President Donald Trump, a visit that underscores Beijing's efforts to remain at the centre of fast-moving nuclear diplomacy.

The car carrying North Korean leader

The car believed to be carrying North Korean leader Kim Jong Un drives enters the area of the VIP terminal at Beijing airport, before his departure from Beijing on June 20, 2018. Kim Jong Un declared North Korea's unstinting "friendship, unity and cooperation" with Beijing during his third visit to China this year, in a show of loyalty to his main ally following a landmark summit with US President Donald Trump.

Chinese paramilitary police march

Chinese paramilitary police march to the VIP terminal of Beijing airport to prepare for the departure of North Korean leader Kim Jong Un on June 20, 2018. Kim Jong Un declared North Korea's unstinting "friendship, unity and cooperation" with Beijing during his third visit to China this year, in a show of loyalty to his main ally following a landmark summit with US President Donald Trump.