Mexico, "works closely with this marginalised community that sometimes is unable to access social care"."The 'life masks' will be arranged round the plinth in the form of a Tzompantli, a skull rack from Mesoamerican civilisations (an area covering Central Mexico to northern Costa Rica)," the statement added.Margolles is known for portraying social causes and the consequences of death in her work and her Trafalgar Square piece will go on display in 2024.Kambalu's work, titled Antelope, depicts a 1914 photograph of Baptist preacher John Chilembwe and European missionary John Chorley.Chilembwe led an uprising against colonial rule and the sculpture shows the preacher wearing a hat, defying a colonial rule which banned Africans from wearing.