Data sources

• NASA Earth Observatory, Blue Marble (GIBS): base imagery
• Terrain relief: AWS Terrain Tiles (Terrarium; SRTM, GMTED2010, USGS 3DEP and others)
• Buildings: © OpenStreetMap contributors (ODbL), served as vector tiles by OpenFreeMap, © OpenMapTiles
• Sentinel-2 cloudless by EOX IT Services GmbH (contains modified Copernicus Sentinel data 2016 and 2017, CC BY 4.0): detailed imagery
• Moon: NASA/GSFC/Arizona State University, Lunar Reconnaissance Orbiter
• Stars: Hipparcos / Yale Bright Star Catalogue via d3-celestial (BSD-3-Clause); galaxy positions: SIMBAD (CDS)
• Sun and Moon positions: Meeus, Astronomical Algorithms (low-precision series)
• Weather: Open-Meteo (CC BY 4.0)
• Shop locations: Wikidata (CC0), OpenStreetMap contributors (ODbL), and the brands’ own sites; each place records its source

Where a brand’s real headquarters or flagship could not be verified, its building stands on a reference site and is marked as such on its page.

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