After falcons helped to solve similar bird problems at airport runways and military bases,Orange County officials decided to invest $40,000 to see if they could be an protect the airspace over the landfill.

• 这些猎鹰成功地在机场跑道和军用基地解决过同样鸟类的问题后，橘郡政府决定投资4万美金引进它们，希望它们能成为垃圾堆的“领空”的保护。