In 2005, Brazil was granted Permanent Observer status at the African Union (headquartered in Ethiopia). That same year, Brazil re-opened its embassy in Addis Ababa. In 2011, Ethiopia opened an embassy in Brasília. In June 2012, Ethiopian Prime Minister Meles Zenawi traveled to Rio de Janeiro to attend the United Nations Conference on Sustainable Development (Rio+20). In May 2013, Brazilian President Dilma Rouseff traveled to Ethiopia to attend the African Union's 50th anniversary celebrations where she met with Ethiopian Prime Minister Hailemariam Desalegn.