forest devasted by bark beetle infestation. trees with distant hill, sumava national park and bavarian forest, czech republic and

acid bark bavaria bavarian beetle border calamity climate czech damage danger dead death deforestation destruction devastation devasted disaster distant dreisesselberg drought dry ecology environment environmental european forest germany granite greyscale hill infestation landscape mountain national natural nature old outdoor park pollution protected republic ridge rock sky spruce sumava tree trees tristolicnik wood