Our #paper about the first-ever observations of upper #atmospheric #lightning (#TLEs or Transient Luminous Events, e.g. “red #sprites”) from Greece: Doudoulakis, C.; Papathanasiou, T.; Sagiakos, D.; Tsouras, P. www.mdpi.com/2673-4931/26... Our findings were presented in #COMECAP2023