⛰️⛏️🏭

#lower silesia #upper silesia #sudetes #śląsk #coal region

⛰️📜🇩🇪

#sudetes #munich agreement #german annexation #appeasement #treaty #border cession

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#czech mountains #czech landscape #czech geology #bohemian massif #sudetes #czech nature

🇵🇱🏔️🇨🇿❄️

#śnieżka border #Polish-Czech border #karkonosze border peak #krkonose #sněžka #sudetes #border mountain