that is until jean-paul lescorce, from the seaside resort of soulac-sur-mer, started digging into hisst. the frenchman whose father was forced by the nazis to help build the wall, has made it his life's work to excavate those concrete structures and preserve them. >> armed with a shovel and buckets, jean-paul lescorce heads to the beach nearly everyday no matter what the weather. for the past sixteen years he's been clearing out world war two bunkers that were built in the dunes of soulac-sur-mer, a coastal town not far from bordeaux. he's dug out 22 so far, all part of the atlantic wall, a coastal defense system built by the nazis. >> along with the sand, i found a lot of glass shards and other trash. i cleared it all out and sorted it over here. >> after the war the bunkers were forgotten about and eventually the were covered in sand. a few were used by teenagers as a place to hang out. now they are accessible to the general public. lescorce immersed himself in the history of the atlantic wall and knows the bunkers inside out. he's now passing his knowledge onto fabrice, a local you