Boaz Hayoun, of Israel's Tamar Group and an Israeli seismological and munitions expert, looks at a laptop displaying an image of a seismogram he says shows six preliminary blasts which were tracked by a seismological sensor array installed some 70 km (43 miles) off Lebanon's coast by the international geological project IRIS, on the day of the large explosion in Beirut on August 4, 2020, during his interview with Reuters near his car in Herzliya, Israel August 13, 2020. REUTERS/Amir Cohen