For the BBC 18th Century Season, Sean Rafferty looks at 12 Georgian art works from the Royal Collection at the Queen's Gallery, guided by Desmond Shawe-Taylor, Surveyor of The Queen's Pictures. No.12 of 12: London: The Thames from Somerset House Terrace towards the city, c. 1750, by Giovanni Antonio Canal (Canaletto). You can see all 12 art works in the 18th Century Gallery on the Radio 3 website.