PEOPLE interested in history are invited to a talk called Secrets of the High Woods about the results of aerial surveys carried out for the South Downs National Park Authority. The talk tomorrow (Thursday) at 8pm is in the Physic Garden, High Street, Petersfield. Refreshments will be offered and entry is £4 for Friends of Petersfield Museum, and £5 for non-members. Tickets are available in advance from the Flora Twort Gallery.