Smart Trees Help Workers

Many of Taiwan's roads have trees. These roadside trees are important. They make the air cooler and cleaner. They help make the roads quieter. They help keep people on sidewalks safe. And they give us something nice to look at! 在馬路兩邊的樹木非常重要，不只讓空氣清新、保護行人安全，還能美化市容！ Click HERE for the full transcript!