Perhaps none of the communist legacies shared by Vietnam and North Korea highlighted during Kim Jong Un's "goodwill visit" to Hanoi is stranger than the embalmed leaders on display in their capitals — and the secretive team of Russian technicians who keep the bodies looking ageless.

Kim laid a wreath outside Ho Chi Minh's mausoleum on Saturday, after his summit with U.S. President Donald Trump.

Inside the dark interior of the mausoleum, the embalmed corpse of Vietnam's founding father lies displayed in a glass coffin for a stream of tourists who silently shuffle by.