The pitch at the Azteca is 2,240 metres above sea level. At that altitude, air is thinner and makes breathing difficult.

England will head to the Estadio Azteca to face Mexico in the Round of 16 of the World Cup following their 2-1 victory over DR Congo in Atlanta

How much of an altitude advantage will the co-hosts have? And what can Thomas Tuchel's side do to counter it?