Church of Ireland Archdeacon, Patrick Bamber, has confirmed that there is a 'restoration levy' for commercial tour groups visiting WB Yeats' grave at Drumcliffe but insists there is no charge for members of the public -the levy is being used for upkeep of the site - but Yeats Society Director, Susan O'Keeffe, says the move may be counter productive as the number of bus tours to the site have decreased