An aircraft includes an aircraft cabin having a number of rows of seats, at least one aisle, and at least one exit. An emergency lighting system having a first and second lines on opposing sides of the aisle, each line comprising a non-continuous series of photoluminescent markers separated by at least a longitudinal distance in the direction of the respective line. An exit path identifier is arranged to guide passengers from the aisle to the exit. Each line comprises an alternating series of first and second markers. The first photoluminescent markers have a first length and the second markers have a second length, the first length either the same as or shorter than the second length. At least the second markers are located on or adjacent to a seat adjacent to the aisle and the first markers are arranged to block the non-exit paths.