The history of the global slave trade “concerns all humanity” as it impacts on modern societies, according to the Assistant Director-General for Social and Human Sciences at the UN cultural organization, UNESCO. Nada Al-Nashif was speaking to UN News ahead of The International Day for the Remembrance of the Slave Trade and its Abolition, celebrated annually on 23 August. Twenty-five years ago, UNESCO launched the ‘Slave Route Project: Resistance, Liberty, Heritage’, a landmark initiative that helped break the silence surrounding the slave trade and slavery. Ana Carmo began by asking Nada Al-Nashif about the impact of the project.