Their obsession is rooted in nostalgia: Martin recalls a childhood spent so close to a railway line that he could hear the spooky whistle of passing trains at night.

• 他们的迷恋来于怀旧：Martin回忆起了他的童年。那时他住在一条铁路的附近，因而每天夜里他都能听到来往火车呼啸而过令人毛骨悚然的声音。