Forget Phuket, here’s Phu Quoc, Vietnam’s big tourism hope

• Vietnam’s largest island has a big part to play in the country’s tourism ambitions, with a US$2.8 billion resort linked to the country’s richest man Pham Nhat Vuong on the drawing board
• But overtourism is already a problem, with the island’s drainage system overwhelmed and rubbish washing up on its picturesque beaches