This tree stood in a field in the centre of the Secret Garden Party. It was covered in hundreds of bag tags, scrawled with all the things that people had lost in their lifetime. I lost three hours looking at them all. Some were beautiful, some made you break, and most were a bit of both.
A CAPTCHA or Captcha (pronounced /ˈkæptʃə/) is a type of challenge-response test used in computing to ensure that the response is not generated by a computer. 1-17 are cryptic clues – find their CAPTCHAs