Complex sentence: The festival area at Brutal Assault in Josefov is surrounded by a hill, which can be difficult to navigate for some people even when dry and nicknamed "the hill of death" it becomes muddy and slippery after rain.
Split into simpler sentences: The festival area at Brutal Assault in Josefov is surrounded by a hill, which can be difficult to navigate. Nicknamed "the hill of death", it becomes muddy and slippery after rain.