By Alexander Ratz MARIUPOL, Ukraine (Reuters) – Visibly shaken, Germany’s Foreign Minister Annalena Baerbock stood in front of the ruins of a house near the frontline of the conflict in eastern Ukraine on Tuesday. “It leaves me with a very heavy feeling that here, right by the beach, which should be one of the prettiest places to be in the country, you can actually feel what happened here years ago,” she said at a former resort near the port of Mariupol. “From one day to the next people lost everything they had, children’s toys are still lying by the side of the road, houses are destroyed. And…