A cockle is a small, edible, saltwater clam, a marine bivalve mollusc. Although many small edible bivalves are loosely called cockles, true cockles are species in the family Cardiidae.True cockles live in sandy, sheltered beaches throughout the world.The distinctive rounded shells are bilaterally symmetrical, and are heart-shaped when viewed from the end.ockles are capable of jumping by bending and straightening the foot. As is the case in many bivalves, cockles display gonochorism (the sex of an individual varies according to conditions), and some species reach maturity rapidly.
4. SF Pride - San Francisco, CA. When: June 28th. One of the most recognizable Gay Pride celebrations around the world, SF Pride is by far the biggest LGBT gathering in the country. The parade starts on Market Street and ends by City Hall, where Harvey Milk's delivered his famous Hope Speech almost four decades ago.
The Carnaval in Rio de Janeiro is a world famous festival held before Lent every year and considered the biggest carnival in the world with 2 million people per day on the streets. The first festivals of Rio date back to 1823.