【廃競輪場　５選】～日本にあった競輪場　５選～

This time, we'll introduce five velodrome tracks that once existed in Japan. We'll look at them with old maps and photographs from their time. [Table of Contents] 0:56 Kannonji Velodrome 5:19 Kagetsuen Velodrome 9:40 Suminoe Velodrome 12:58 Ichinomiya Velodrome 15:16 Koshien Velodrome *Satellite images are processed from Google Maps and Geospatial Information Authority of Japan (aerial photographs). Elevation maps and standard maps are processed from Geospatial Information Authority of Japan (map tiles). *Maps are created by overlaying topographical maps and visual inspection or tracing. *As a result, there may be discrepancies in the locations of rivers and other locations. Thank you for your understanding. *As this is a personal project, please be aware of misreadings and typos. *Old maps Contemporary Maps on the Web https://ktgis.net/kjmapw/ [The "year of publication" is generally listed. Therefore, the survey is likely to have been conducted earlier. Please consider the "years indicated" to be approximate. *References cited Kagetsuen Keirin Stadium Main Gate Welwy (talk / Contributions) at the Japanese Wikipedia - File:Kagetsuenkanko.jpg from the Japanese Wikipedia, CC BY-SA 3.0, https://commons.wikimedia.org/w/index... Keiro Stadium Main Stand Welwy at the Japanese Wikipedia - Original work by the original contributor, CC BY-SA 3.0, https://commons.wikimedia.org/w/index... Suminoe Park The original uploader is W236 at the Japanese Wikipedia - moved from ja.wikipedia to Commons. , CC BY-SA 3.0, https://commons.wikimedia.org/w/index...