外有重型的铁闸，并通过了栅栏。

Exterior has heavy duty iron gate and fence through out.

当狼群从森林追到青青草原的时候，软绵绵村长已经下令在桥上建了一座高高的铁闸。

When those wolves arrived at Verdant Grassland, Soft Sheep the mayor had made an order to build a high fence in front of the bridge.