Before, as the train wended its way from sea level to high altitudes, you could smell the forest air, hear chirping birds and buzzing insects, and feel the changes in temperature and humidity. But passengers on the air-con train are completely unaware of the passage from subtropical to temperate zones.
陳月霞說，過去，火車從低海拔到高海拔，可以聞到密林的氣息，傾聽鳥語蟲鳴，感受氣溫和濕度的改變，而今坐在冷氣火車中的人，對窗外何時從熱帶進入亞熱帶、溫帶，根本渾然不覺。