The National Stadium, also known as the Bird's Nest, is embracing its first test event - the Good Luck Beijing Race-Walking Challenge Friday.

“好运北京”国际田径竞走挑战赛今天在国家体育场“鸟巢”拉开战幕。

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The central location was a challenge from the beginning when defining the architecture of the new Stadium arose.

从一开始确定新体育场的建筑风格起，中心位置就是建筑设计的一大挑战。

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Teach them tricks, play games, challenge other owners, and compete at the stadium.

教给他们技巧，玩游戏，其他业主的挑战，并在大球场进行竞争。

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Even a seemingly simple business-networking event, such as a baseball game where peanuts are thrown around the stadium, can be a challenge for an employee with food allergies.

FORBES: Food Allergies in the Workplace are Not Always What They Seem

Samir Nasri scored the clinching goal with 10 minutes left at the Etihad Stadium to end the bold challenge of the newly promoted visitors, who had threatened a victory of their own.

CNN: Manchester City make winning start to EPL title defense

Wigan, who were the lords of Wembley for the best part of 10 years until the 1990s, are now within a game of the first Challenge Cup final back at the rebuilt stadium.

BBC: Wigan 25-6 Harlequins