ATHENS, July 30, 2021 Passersby walk under an umbrella at Syntagma square in Athens, Greece, on July 30, 2021. Greek meteorologists warned on Thursday that the country will experience an intense and prolonged heat wave in the next ten days.. According to the Hellenic National Meteorological Service (EMY), temperatures could reach 44 degrees Celsius in mainland Greece..TO GO WITH ''Intense heat wave to scorch Greece in coming days, meteorologists warn' (Credit Image: © Marios Lolos/Xinhua via ZUMA Press)