The remains of the church of Sant Roma de Sau emerge 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