Follow Quang Ninh fishermen to catch Sandworms

For fishermen, watching the tide to catch seafood is very important. Among them, there is a type of seafood whose exploitation depends entirely on the ebb and flow of the tide. Only when the tide recedes can it be dug up, that is Sa Sung - a rare specialty that has long been famous, only found in the sea of ​​Quan Lan, Van Don...