<prompt> Translate the following text to EnglishMlango wa magharibi umefunguliwa, lakini mlango wa mashariki umefungwa baada ya wapiganaji wa msalaba kupoteza Yerusalemu mwaka 1187 na umekuwa umefungwa tangu wakati huo.  <response>: The western door of the pair is open; the eastern door was bricked up after the Crusaders lost Jerusalem in 1187 and has remained shut ever since. 