Valencia, Negros Oriental, the Philippines
June 25, 2011
Baffling plumes of smoke were rising from the rocky mountainside by the zigzag highway. It couldn’t have been a swidden; the slope was too steep for crops. The van driver claimed it was sulfur emanating from hairline fissures in the rocks. True enough, a slightly sulfuric scent hung in the air when we stopped for some snapshots.