A military bunker located near the settlement of Rychleby in the Hradec Králové Region of Czechia. The specific designation 'VIII/15/B1-100' suggests a possible Cold War-era military structure, potentially part of former Warsaw Pact defensive infrastructure. However, the provided web search results contain no information confirming the function, construction date, or historical context of this specific site.
Further local or specialized historical sources would be required to verify its purpose and details.