Ivan Pera

The provided articles do not mention anyone named Ivan Pera. One article discusses the ongoing redevelopment of La Rambla in Barcelona, highlighting its importance to the city and its residents. The project is described as a major undertaking by the city council, aiming to improve the iconic street for both locals and tourists. The other article reports on the city of Barcelona honoring Carmen de Mairena, a cabaret artist and transgender rights activist, with a commemorative plaque placed at her former residence in the Raval neighborhood. The ceremony was attended by city officials and community members. Neither article provides any information related to an individual named Ivan Pera, so it is impossible to provide any details about them based on the given text.