Korea’s second F1 race weekend begins in two days’ time.
Work has gone on to improve the track which was only just completed in time for its inaugural race.
Although the track configuration remains unchanged, a few barriers have been moved back to create more run-off in places. The final corner has had this treatment, meaning driver will no longer be right up against the barrier as they go around it.
Here are pictures from around the track and paddock today showing how the circuit looks ahead of the second Korean Grand Prix: