After 178 years of competition the two Royal watercolour Societies - the Royal Watercolour Society (RWS) and the Royal Institute of Painters in Water Colours (RI) - unite to present an exhibition of outstanding watercolours.
The exhibition will continue at the Mall Galleries from 19th - 28th August.
The Mall Galleries The Mall (nr. Trafalgar Sq.) London SW1. 020 7930 6844 | www.mallgalleries.org.uk