Tatiana Piñeros was member of former Bogotá mayor's administration
Advocates in British territory strongly oppose measure
Zeid Ra'ad al-Hussein took part in Capitol Hill roundtable on Thursday
Prime minister urged lawmakers to pass measure by Christmas
Victor Madrigal-Borloz will succeed Vitit Muntarbhorn
Landmark decision to take effect in 2019
the couple has been engaged for nine years
Presidential election results unclear amid fraud allegations
Lesbian Congresswoman Sandra Moran sponsored measure
Photographer Karan Katoch worked with the advocates