Altered States outdoor sculpture exhibition at Shaw House, Newburyuntil September 29 Review by LIN WILKINSON Pictures by PHIL CANNINGS MORE than 70 sculptures are in place on the Orangery Lawn at Newbury’s Shaw House, one of the country’s best preserved Elizabethan mansions, in this year’s Altered States, the popular annual open-air exhibition. There are no conceptual surprises here – all the work follows long established genres and approaches – but there is much to enjoy, not least the high standard of craft. Most of the sculptors are showing two or three works, often working to the same them…