Reviews of London exhibitions 2021 as lockdown restrictions ease. Including Eileen Agar: Angel of Anarchy and Phantoms of Surrealism at the Whitechapel Gallery; David Hockney: The Arrival of Spring and Michael Armitage: Paradise Edict, both showing at the Royal Academy of Arts, Piccadilly. Reviewed by editors Kathleen Bondar & Susan Gray with star guest Juliet Rix.