Alarm sirens are seen on a vineyard at the village of Dernau that was struck by the July 14, 2021 floods of the nearby Ahr river, after a test of the civil protection systems during Germany's second nationwide "warning day", in Dernau, near Bad Neuenahr-Ahrweiler, Germany, December 8, 2022. REUTERS/Thilo Schmuelgen TPX IMAGES OF THE DAY