A Nine Inch Nails photography exhibition coinciding with the 30th anniversary of the band’s legendary second album ‘The Downward Spiral’, is set to open in London next month. ‘The Downward Spiral Exhibition’ will feature images taken by documentary and feature film director / writer Jonathan Rach during the Trent Reznor-led band’s ‘Self Destruct’ tour between 1994 and 1996. A description reads: “The exhibition includes several exclusive photos that had laid unseen for more than 25 years. Over 30 incredible images will be on display showcasing an array of both personal and pivotal moments for t…