Auction houses in duel under the sun

[Edwin Lord Weeks's 'Promenade on an Indian Street'] http://www.telegraph.co.uk/culture/art/artsales/8429185/Auction-houses-in-duel-under-the-sun.html# Eighteen million dollars (£11.2 million) of art and jewellery goes up for auction in Dubai this month as Bonhams and Christie’s go head to head in a duel under the sun.