as the sun hits the horizon, and eventually fades away, those on the beach clap their hands together in one of the most touching and beloved traditions of rio de janeiro.

carlos leonam, a well-known brazilian journalist, is generally credited with inventing the ritual.  

the rich history of ipanema posto 9 gained worldwide attention thanks to the the bossa nova hit song 'garota de ipanema' (the girl from ipanema).