Rio's top ticket at any time of year is the beach. And if you wanted to put a price on it — complete with crashing waves under a near full moon — well, how about $110? That, or rather its equivalent in local currency, 350 reals, was the official price of the cheapest seats Tuesday for the beach volleyball at Copacabana. Long lines formed 90 minutes before the start of the match, such was the buzz. It felt like a World Series game, and, in a way, it was.