London-based NGO represented Rosanna Flamer-Caldera
Country's lawmakers urged to ban discredited practice
Yoan de la Cruz among hundreds arrested after July 11
Mônica Benício elected to Rio de Janeiro Municipal Council in 2020
Tamara Argote will represent Bogotá
Country's president said measure violated international treaties
Men's attorney says many hurdles remain
Angélica Lozano is married to Bogotá Mayor Claudia López
Plaintiff criticized government 'crusade against same-sex marriage'
Measure also defines family as a man and woman with children
