@TylorStankley @DreddanGamer @hostiledesign The grates are needed to ventilate the subway tunnels. They're raised to reduce rain draining into the subways and flooding them.
@TylorStankley @DreddanGamer @hostiledesign 需要格栅来给地铁隧道通风。它们被抬高以减少雨水流入地铁并淹没它们。