Tibet-III array+ Muon Detector Array (IMAGE) Chinese Academy of Sciences Headquarters Caption The left figure shows the Tibet ASgamma experiment (Tibet-III array+ Muon Detector array); The right figure shows an event display of the observed 449TeV photon-like air shower. Credit Image by IHEP Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.