A Swiss Dilemma: How to Get Old Bombs Out of Deep Lakes?

Switzerland is facing a hidden problem beneath its beautiful lakes - unspent military munitions. To protect the fragile ecosystems, the country is seeking ideas on how to safely extract the weapons in case they contaminate the water. A competition has been launched, offering a cash prize for the three best proposals to remove the ammunition dumped in the lakes over the years. While there is currently no immediate need for action, Switzerland is taking precautionary measures to prevent any pollution.