Continuing the series of some of the world's great paintings dating from Renaissance times to the present day. Each week a new theme. This week: Outdoor Life Anon (13th century)
Clear Weather in the Valley at the Museum of Fine Art, Boston
This scroll is at least 700 years old. It has been studied over the years by connoisseurs who have given written opinions on it and some of these have been mounted to the left of the painting. Written and presented by Penelope Mason
Executive producers
BILL MORTON and KENNETH CORDEN Director CHRIS JEANS
(Tomorrow: Avercamp's ' Winter Scene ')