summer's endurance: hiker's trial on sardinia's arid peak

39aph39 adventure altitude arid background blistering blurred book box challenge climb cracked day desert drained drought dry effort emphasizing endurance enduring exhaustion explorer grass heat heatwave highlight hiker hiking intense intensity isolation journey kneeling landscape mountain nature notes outdoor parched peak peakbook peaks places rugged s sardinia sardinian shortage struggle summer summit summitbook sun survival terrain trek trial water weary weather wilderness