In these city environments people began to think in a completely new way.

在这些城市环境中， 人们开始以全新的方式思考。

Seattle Seafair weekend is several days of breathtaking air and sea performances, all happening in a city environment that requires complex safety coordination.

这几天西雅图海航周末是令人惊叹的空中和海上表演，所有这些都发生在一个需要复杂的安全协调的城市环境中。