Carry on camping at Houghton with Richard Long

The inaugural Houghton Festival takes place next month at the eponymous historic house in the east of England where Richard Long has created monumental works for Earth Sky (until 26 October), using mud, slate, flint and tree roots, joining works already in situ by James Turrell, Rachel Whiteread and Jeppe Hein, among others. Long, who rarely gives interviews, recently told John Wilson on BBC Radio Fours Front Row, that he didnt care that probably no one saw his first sculpture-path, a line he t