Why is it called ground zero?
Why is it called ground zero? The United States Strategic Bombing Survey of the atomic attacks, released in June 1946, used the term liberally, defining it as: For convenience, the term 'ground zero' will be used to designate the point on the ground directly beneath the point of detonation, or 'air zero.
How many firefighters died in 911?
On Sept. 11, 2001, 343 firefighters and paramedics were killed, most when the towers collapsed. Now, an equal number have died from 9/11-related illnesses, the FDNY says.
What was under the Twin Towers?
In 2010, buried underneath the ruins of the Twin Towers, we found the remains of a large ship's hull. Now, scientists have revealed the secrets behind this mysterious vessel. The ship was discovered in the wreckage below the excavation site, approximately 22 feet (6.7 meters) below the soil.