Vietnam’s rush to develop risks damaging its natural attractions

Mass tourism … visitors tour the ancient, well-preserved trading port of Hoi An, which is a World Heritage Site and one of Vietnam’s main destinations. Photograph: Nigel Pavitt/JAI/Corbis Fred Trinh sometimes closes his eyes and pictures the lane that drew him to Phu Quoc in 2011 – a double row of palm trees, barely concealing the sea, meandering down a red dirt road.