Russian President Vladimir Putin shakes hands with North Korean leader Kim Jong Un during their meeting at the Vostochny Cosmodrome in Russia’s Amur region on Wednesday. Photo: VCG

Putin and Kim visit the Vostochny Cosmodrome site, a space launch facility located in Russia’s Far East. Photo: VCG

Kim talks with Russian Minister of Natural Resources and Ecology Alexander Kozlov in Khasan, Russia, on Tuesday. Photo: VCG

Kim attends a welcome ceremony in Khasan after crossing the border into Russia on Tuesday. Photo: VCG

Kim shakes hands with Primorsky region Governor Oleg Kozhemyako upon arrival at the Khasan Railway Station in Khasan. Photo: VCG

Kim waves as he departs by train from Pyongyang for a visit to Russia on Sunday. Photo: VCG

Kim greets North Korean officials during a send-off ceremony. Photo: VCG

Kim waves during a send-off ceremony before departing from Pyongyang. Photo: VCG

On Tuesday, a file photo of Kim and Putin during their first meeting in April 2019 is broadcast on a TV screen at the Seoul Railway Station in South Korea. Photo: Ahn Young-joon/VCG