Manfred Zwiener with Beluga PS warms up before the first trotting race during the Duhner Wattrennen horse race event in the mudflats of the Elbe estuary during low-tide in Cuxhaven-Duhnen, Germany, on August 9, 2026. The Duhner Wattrennen races in the Wadden Sea at the mudflats of the Elbe river are among the few horse races worldwide held on the seabed - during low tide. (Photo by FOCKE STRANGMANN / AFP via Getty Images)