Thailand has reopened Maya Bay, a white sand beach made famous by the 2000 film "The Beach" starring Leonardo DiCaprio, more than three years after closing it to allow its ecosystem to recover from the impact of thousands of visitors each day.

The beach, surrounded by 100-metre high cliffs, lies on the island of Phi Phi Leh in the Andaman Sea, and is only accessible by boats from nearby spots such as the islands of Phuket or Phi Phi...