There's more to Vietnam than just its bustling cities. The country is home to some of the most beautiful and secluded beaches in the world. If you're looking for a quiet, peaceful beach to relax on, here are 10 hidden beaches in Vietnam that you need to visit. photo: Quang Nguyen Vinh Bai Tu Long Bay Bai Tu Long Bay is a secluded area in the northeastern province of Quang Ninh. This bay is known…