Walking barefoot on sun-heated coastal sand causes severe flesh damage.

Evidence

Hesitantly, I looked under my feet. Peeled flesh hung down and congealed blocks of blood and particles of sand clung to each hanging bit of skin. It looked as if someone had literally used a blade to cut the flesh under my feet from the heel to the toes. — Farrar, Straus and Giroux Ishmael Beah, A Long Way Gone- Memoirs of a Boy…, 209

Categorization

• corroborated: 2 independent passages support this claim — Farrar, Straus and Giroux Ishmael Beah, A Long Way Gone- Memoirs of a Boy…, 209