Me too, I worte to Grayline (Brad Weber) about their sightseeing services in Rio de Janeiro and never got any answer. POOR, VERY VERY POOR. see letter below: att Mr. Brad Weber President Grayline International Dear Sirs, In October I took a Grayline operated sightseeing in Rio de Janeiro, one-day tour called "Ilhas Tropicais". I was very unsatisfied with the tour and have reported the serveral incidents to your local office, to Mr. Diogo Malta, who answered to me in a very insatisfactory way, usual in... read full review »