North Korean leader Kim Jong Un wrapped up a rare trip abroad Sunday, meeting with students and visiting an aquarium in Russia¡¯s far east, a day after holding talks with Russia¡¯s defense chief and discussing ¡°practical issues¡± for deepening military cooperation with Moscow.

The North Korean leader was given a red-carpet farewell ceremony late Sunday afternoon and departed via his bulletproof luxury train from a rail station in the city of Vladivostok, Russia¡¯s RIA Novosti news agency reported.

The return trek ¡ª over 200 kilometers in total ¡ª was expected to take several hours for Kim¡¯s plodding armored train.