Q: for me it would be in (no specific order and excluding any new tracks such as valencia and singapore) and old circuits that have been modified e.g imola and hockenheim 1. Adelaide 2. Indianapolis (east usa gp) 3. Phoenix (west usa gp) 4. Jarma 5. Brands Hatch 6. Nurburgring 7. Interlagos 8. Paul Ricard 9. Brno 10. Istanbul 11. Monaco 12. Montreal 13. Spa 14. Suzuka 15. A1 ring 16. Monza
A: 1. Interlagos, Brazil 2. Sepang, Malaysia 3. Indianapolis, USA 4. Catalunya, Spain 5. Monza, Italy 6. Istanbul, Turkey 7. Magny cours, France 8. Nurburghring, Germany 9. Shanghai, China 10. Spa, Belgium 11. Montreal, Canada 12. Sakhir, Bahrain 13. Yas Island, UAE 14. Singapore City, Singapore 15. Silverstone, UK 16. Suzuka, Japan