MEXICO CITY, July 4 : England manager Thomas Tuchel said his side were relishing the chance to play in one of world football's most famous stadiums as they completed preparations on Saturday for their World Cup last-16 showdown against hosts Mexico at the Azteca Stadium.The visitors trained at Pumas UNAM's Cantera complex after arriving in Mexico City on Friday, getting their first feel of the altitude before facing an unbeaten Mexico side backed by a raucous home crowd."We are in an iconic place, an iconic stadium, a massive game, a knockout game against Mexico at the Azteca," Tuchel told reporters. "It's an iconic match and a big stage, and we feel it."Much of the build-up has centred on Mexico City's 2,200-meter altitude after England had only four days between their round-of-32 victory