MEXICO CITY, July 5 : Mexico City is dressed in green. Across this capital of 9 million people, crowds gather, tension builds and belief swells ahead of one of the most anticipated matches of the World Cup - Mexico v England at the Azteca stadium.Along the city's central boulevard, barricades are up and traffic stopped, awaiting hundreds of thousands of fans to watch the game on massive screens dotting Reforma Avenue. Around the iconic Azteca, everyone is talking history. "This match means everything," said Adriana Martinez, 28, wearing white cowboy boots tied with ribbons in the green, red and white of the Mexican flag. "History will be made here today." The weight of the past hangs heavy for both England and Mexico. For England, the memory of losing to Diego Maradona's mischievous brilli