. ♪ >> a three-hour boat ride from the german border will take you to the north sea island of helgolandfree sales used to attract day tourists. getting there is now expensive. encouraging longer stays means adapting facilities. a freestanding block of sandstone and the island's principal landmark is in danger of being washed into the sea. >> t tall rock is this area's mo mousandmark. itas survived two world wars. the wind and waves are wearing down the base. barack could soon be forced into the north sea. -- barack could soon be washed into the north sea. it is not only loved by locals. it is also a magnet for visitors to help langoland. >> see it while you can. >> i hope it does not collapse. it is a special attraction on the island. >> a few years ago, attempts were made to secure it but to no avail. scaffolding will alter the appearance of the rock and charlie. a wall of stone would have cost up to 20 million euros. >> the task facing helgoland is immense and costs a lot of money. i do not think there is enough money to save it, even if it were possible. >> ahead of the tourist offic