Women for Women International their third annual 'Join me on the bridge' event on the Millennium Bridge.
All over the world women will be standing on bridges today to make a stand for peace and women's equality.
Meet on the south side of Millenium Bridge for banner-making and face-painting before marching across the river (11am) and west towards the Royal Festival Hall for speeches (12.30pm).
Chanting and entertainment along the route will be followed by guest speakers at Southbank Centre.
Related website: joinmeonthebridge.org