Hourly Weather - Marburg, Germany

At a Glance The sinkhole opened in an unused portion of the zoo.It is about 50 yards by 85 yards and about 50 feet deep in spots.Much of the zoo sits over Louisville Mega Cavern, which has been closed because of a small earthquake. The Louisville Zoo remained closed Thursday while investigators work to learn what caused a football-field-sized sinkhole to open in an undeveloped part of the zoo. Zoo staff found the sinkhole about 8:30 a.m. Wednesday during a...