A new exhibition in Moscow on “unbreakable” Russia-North Korea ties features blood-stained letters by DPRK soldiers and artwork portraying the killing of Ukrainian troops, photos show, promoting Pyongyang propaganda about the allies’ history of wartime cooperation.

The “Shoulder to Shoulder” exhibition at Moscow’s Victory Museum opened on Monday and seeks to provide a “comprehensive and accurate look at the history” of bilateral relations, according to the Russian culture ministry.