Hundreds of golden retrievers packed a Buenos Aires park on Monday as the South American country looks to break the world record for the largest number of the silky golden-haired dogs gathered in a single place. Dubbed the "Golden Wave", the gathering began on social media and rapidly snowballed into a mass get-together in the capital's Bosques de Palermo park. Golden retrievers of all ages — from excitable puppies playing in the mud to more mature canines roaming in Santa hats and fairy costume