Start at the writing on the wall and climb through roof to join Scape from the Underworld. Most obvious line

dannyboy83 19/Dec/12 Sent x
Tophe 19/Dec/12 Sent
with craig parr, Dan
High f7A+
Mid f7A+
Low f7A+
High f7A
Mid f7A
Low f7A
High f6C+
Mid f6C+
Low f6C+