Another heatwave.By now, the warnings have become part of everyday life in France. Every radio station reminds us to stay hydrated. Electronic road signs flash messages urging people to avoid the hottest hours of the day. Communes check on elderly residents. Windows remain closed, shutters drawn against the afternoon sun. It is remarkable to think that summer has barely begun. As temperatures climbed once again across much of the country, my children and I found ourselves asking a simple question that many families across France were probably asking too: Where can we find cool air? Living in Savoie has one enormous privilege. The Alps are never far away. So we packed our camping…