VOICED: On Italian beaches, dog lifeguards are on watch

In Italy, specially trained dogs have been aiding in water rescues for over 20 years. These dogs, often Labradors, Golden Retrievers, and Newfoundlands, are trained to assist surf lifesavers by rescuing multiple people simultaneously. Their water-resistant fur and webbed feet make them ideal for swimming. Training takes about three years, but these dogs provide many years of valuable service, showcasing their importance in lifesaving efforts.

Describe the technique developed to save multiple people at once using rescue dogs.

What physical characteristics of certain dog breeds make them more suitable for swimming?