FIFA secretary general Jerome Valcke on Sunday praised work on the controversial World Cup stadium being built deep in the Amazon rainforest in the city of Manaus.
The Amazonia Arena is one of the five stadiums planned for this year's tournament that have not been completed.
"One year ago, there were doubts over whether Manaus would be ready for the Cup," Valcke said as he visited the riverside city located some 1900km north-west of the capital Brasilia.
"We worked jointly with the organising committee and the governments and we were successful. Today, I can say that the project is one of the nicest - it is a fantastic project."
Construction on the stadium is 97 per cent done, and builders say it will be ready for delivery by early March.
Booming Brazil is gearing up to host the World Cup with fears its infrastructure for playing and hosting are not ready for prime time, and amid public safety concerns.
The tournament starts in Sao Paulo on June 12, and ends on July 13.
On Friday, a construction worker was killed in the Arena, the third fatal accident to hit the venue and the sixth worker killed in Brazil while building a World Cup stadium.
Once a thriving town during the rubber boom of the late 19th century, Manaus was a controversial choice for a new stadium partly because there is no top area club to attract fans after the World Cup.
Four first-round World Cup games are scheduled for the Amazonia Arena, including England-Italy on June 14.
That match will be "one of the most important games of the first round," Valcke said. "This could be a final Cup game."
The other first-round games in Manaus are Cameroon-Croatia on June 18, the United States-Portugal on June 22 and Honduras-Switzerland on June 25.
Valcke, who is visiting World Cup sites across Brazil, will also visit Brasilia and Porto Alegre before travelling to the southern city of Florianopolis.
