"Larry Poons -- The Twenty-First Century," at Roberto Polo, Rue Lebeau 8-12, Brussels, January 19 to March 17.

"Fields of Color: Jack Bush, Gene Davis, Thomas Downing, Friedel Dzubas, Helen Frankenthaler, Hans Hofmann, Morris Louis, Robert Motherwell, Kenneth Noland, Jules Olitski, Larry Poons, Esteban Vicente," at Yares Art, 745 Fifth Avenue, through February 17.

"The Greatest Show On The Earth: Sideshow Nation VI," at Sideshow, 319 Bedford Avenue, Williamsburg, through February 25.

"Kaleidoscope: Colour and Sequence in 1960s British Art," group of 25 artists organized by Sam Cornish and including David Annesley, Michael Bolus, Anthony Caro, John Hoyland, Phillip King, Tim Scott, William Tucker & William Turnbull. at the Walker Art Gallery, Liverpool, February 24 to June 3, 2018.