English Heritage, which runs the site, is preparing to unveil its visitor centre – after 30 years of planning rows and archaeological controversy. Situated a mile-and-a-half to the west of the stones, the new building, designed by architects Denton Corker Marshall, will showcase hundreds of items originally found at Stonehenge, many of them not displayed in public before.Although this is the most expensive capital project yet undertaken by English Heritage, the quango is concerned not to imply there is any greater capacity for visitors who want to join the druid and pagan ceremony among the stones. Three years ago, only 2,000 people attended winter solstice