By Stephane Mahe SOULAC-SUR-MER, France (Reuters) - When it was built at the end of the 1960s on one of France's most glorious Atlantic coastlines, th.
When it was built at the end of the 1960s on one of France's most glorious Atlantic coastlines, the beach was over 200 metres (656 ft) away. Today, the hulk of the 80-flat Le Signal apartment block perches precariously on a dune