Previous Singapore race assets retained in this project: QZ's Marina After Dark circuit, city geometry and scene composition. QZ's Singapore Atlas: original Marina Bay Sands, ArtScience Museum, Esplanade and Merlion architectural interpretations, without third-party textures or CAD; approximate locations. Unofficial Singapore circuit outline: Tomislav Bacinger, MIT, https://github.com/bacinger/f1-circuits/blob/dcba5449321fd9f05c0fd8b6d84589fe6dbac6d2/circuits/sg-2008.geojson . See circuit-data-license.txt. These assets are retained but are not displayed in the current ERP parking-lot practice scene.