DAVID SCHARF / SCIENCE PHOTO LIBRARY DAVID SCHARF / SCIENCE PHOTO LIBRARY
Dust. Coloured scanning electron micrograph (SEM) of dust from the destroyed World Trade Centre (WTC) in New York, USA. The twin towers of the WTC collapsed after being hit by hijacked airliners on September 11, 2001. The dust was collected and analysed for forensic evidence. Magnification unknown.
Model release not required. Property release not required.