London/Stockholm (dp) Singer Annie Lennox and Sarah Brown, wife of British Prime Minister Gordon Brown with supporters during the launch of Women for Women International's 'Join me on the Bridge' campaign by marching across Millennium Bridge, London.

The march is in solidarity with women in war-torn countries and demands investment in women so that they can build stronger economies and more stable societies. Marking the 100th year of International Women's Day, the campaign will have women speaking out and uniting on over 60 bridges in 20 countries across the world. One of the world's largest pram marches was carried out in Stockholm on Monday, 8 March. RFSU, the Swedish Association for Sexuality Education, and Unite for Women organized pram march the campaign which aims to stop maternal mortality around the world.