Sam (horseshoe crab) is a nutritious and unique specialty in Ha Long. Horseshoe crab are a rare and unique type of seafood that is challenging to process. Therefore, if you have the opportunity to visit Ha Long, you must try this dish at least once! 1/ Distribution of Sam in Vietnam Sam is marine animal… Continue reading Sam (Horseshoe Crab) – A Specialty Dish of Ha Long That Travelers Must Try at Least Once