LONDON, Aug. 15, 2014 /PRNewswire/ — London’s most well-known cultural institutions are coming together in a new initiative to promote the capital’s exceptional autumn season, as forecasts show over two million tourists are expected to visit a collection of blockbuster exhibitions and events taking place throughout the city.   (Photo: http://photos.prnewswire.com/prnh/20140813/701141-a) The stellar line-up of exhibitions includes Turner at Tate Britain, Anselm Kiefer at the Royal Academy and Ming: 50 years that changed China. The Ming exhibition will feature a range of spectacular objects – including exquisite porcelain, gold, jewellery, furniture, paintings, sculptures and textiles – from museums across China and…