21-24 June. 42 works by contemporary artists will be shown and then auctioned by Christie's to raise funds for the UN refugee agency's children's projects in Guinea, the Democratic Republic of Congo, Tanzania and Zambia, where more there are 286,000 child refugees. Artists who have donated works include Luigi Ontani, Ettore de Conciliis and Mario Schifano.
The auction is at 20.30 on 24 June. Booking is necessary.