Police in the U.K. announced on Tuesday that two men have been charged with cutting down the historic Sycamore Gap tree famously featured in the 1991 film “Robin Hood: Prince of Thieves.” Northumbria Police said Michael Graham, 38, and Adam Carruthers, 31, both from Cumbria, have been charged with criminal damage to both the tree and a portion of Hadrian’s Wall, which stood next to it before it fell last year. The Roman Emperor Hadrian built the wall in A.D. 122. Graham and Carruthers are scheduled to appear in Newcastle Magistrates’ Court on May 15. The Sycamore Gap tree sat between two hills…