Roy Hodgson: 'Manaus not an ideal place for football'
17 December 2013 Last updated at 22:07 GMT
There are just six months to go before next year's World Cup gets underway in Brazil.
England manager Roy Hodgson confirmed that that England's preparations are on track but acknowledged that coping with the heat of the Amazonian jungle is going to be a tough test.
He spoke exclusively to BBC sports correspondent Natalie Pirks.