People walk arround the remains of the church of Sant Roma de Sau as it emerges from the low waters of the Sau Reservoir, north of Barcelona, Spain, August 8, 2022. A prolonged dry spell and extreme heat that made last July the hottest month in Spain since at least 1961, have left Spanish reservoirs at just 40% of capacity on average in early August, well below the ten-year average of around 60%, official data shows.REUTERS/Albert Gea