Slave Trade: London march to mark 200th anniversary of abolition of slavery: Marchers along
Slave Trade: London march to mark 200th anniversary of abolition of slavery: Marchers along; Plaque marking 150th anniversary of the Anti-Slavery Society / marchers wearing t-shirts with the slogan 'So Sorry' in shackles and yolk standing in front of memorial / shackled marchers kneeling as man apologises for the slave trade / clergyman 'freeing' slaves