it's called dielectric mirror, this type of mirror can be made to be extremely effective over narrow range of wavelengths and it's used in lasers for this reason. this is also the only way to manipulate extreme UV (13nm tin source, used in EUV semiconductor manufacturing)
similar effect is responsible for blue color of some butterflies and feathers that don't contain blue pigment
Russian APC drops off troops right in front of manned trench and drives off providing no covering fire
you would have to ask the Touareg militia, but it seems to be Soviet song "Священная война" (Sacred War) basically a second Soviet anthem during WW2. maybe they wanted to put there an Ukrainian war song of some sort as Ukrainians aided them, and there's a photo of some of these militia members and foreign operatives (blurred, but white) with Ukrainian flag. oopsie
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bald french man said once that factories, schools, barracks, hospitals are prisons so maybe self-host that instead?