Car traffic makes serious accidents possible, and this must be avoided in orienteering events.
Car traffic makes serious accidents possible, and this must be avoided in orienteering events.
车辆行驶会造成严重的意外，这是所有定向赛事都必须避免的。
Car traffic makes serious accidents possible, and this must be avoided in orienteering events.
车辆行驶会造成严重的意外，这是所有定向赛事都必须避免的。