KOH PHI PHI LEY (THAILAND): Hordes of tourists clamber across the white sand with selfie sticks as Thai park rangers wade into turquoise waters to direct boats charging into the cliff-ringed cove.
Made famous by the 2000 movie “The Beach” starring Leonardo DiCaprio, Maya Bay on the western Thai island of Koh Phi Phi Ley is now a case study in the ruinous costs of runaway tourism, swamped by up to 4,000 daily visitors.