Here high-domed ceilings drip with stalagtites, and human bones more than 50,000 years old have been found.
Human remains have been discovered that are over 50,000 years old.
In examining FAA's efforts to modernize its air traffic control systems, we stated that although FAA has identified an integrated team approach as key to the agency's efforts to deploy systems that meet performance goals, major offices still tended to function in stovepipes that inhibit an integrated team approach.