 After a troubled construction period that saw a stop-work order issued in November 2011, and the threat of the race being removed from the Formula One calendar altogether, construction laid the final layer of tarmac on September 21.The circuit passed its final pre-race inspection on September 25, allowing the race to go ahead as planned.By comparison, the most-recent additions to the Formula One calendar – the Korea International Circuit in South Korea and the Buddh International Circuit in India – were only completed in the days leading up to their inaugural races.