By Unity Blott For Mailonline. These extraordinary photographs show the extraordinary lengths that some women will go to in order to achieve the perfect tan. With temperatures a balmy 30 degrees in the Brazilian city this week, there's plenty of opportunity for sunbathers to get some colour and Erika Romero Martins, who owns the spa, is more than happy to help her clients make the most of the winter sun on her terrace. Women wearing their masking tape bikinis, sunbathe to have the perfect bikini mark at the Erika Bronze spa in Rio de Janeiro, Brazil. Despite temperatures exceeding 30 degrees, many add melanin accelerator to boost their tans. Erika, owner of the Erika Bronze spa, takes off the masking tape bikini from a client's body after sunbathing on a terrace.