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Last updated November 12, 2026.

Fortified stone citadel perched along a mountain ridge above Sisteron, France
Highland citadel battlements and tactical terrain vantage

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Sixteenth-century engraved world chart by Jodocus Hondius with twin hemispheres and compass roses
Engraved strategic world chart and campaign navigation lines
Thirteenth-century brass planispheric astrolabe engraved with coordinate arcs and pointers
Precision brass astrolabe (1291 CE) — coordinate and clockwork calculation
Macro view of the Valve Steam Deck mainboard PCB and RDNA2 APU assembly
Handheld RDNA2 mainboard and Vulkan 1.3 silicon assembly