dead tree and sau reservoir church ruins in arid landscape, catalonia

catalan history catalonia sau ancient architecture arid barren change church climate crisis conservation cracked earth dead tree deadwood deserted desolate drought dry environmental degradation erosion global warming heritage historical site impact lakebed landscape natural disaster nature outdoor reservoir ruins rural scarcity scenic severe spain structure terrain twisted water dried trunk stands prominently foreground visible background set within this image powerfully captures ongoing effects region 39aph39 sites