Rainy day secret sewer 雨天的祕密下水道

Where did all the rain go? Let's explore the secrets of urban rainwater sewers together!  With a hyper-realistic perspective and realistic illustrations, the large-scale pages are used to describe the sewer system in Tokyo, Japan, like the "underground palace" in detail. ․ Together with the children, learn about the relationship between urban drainage facilities and life, and how rainwater sewers drain the surge of rainwater to maintain the safety of the city About the author Kamada Ayumi (かまたあゆみ) Born in 1969. The main picture books are "Railway Heroes in the Midnight", "Air Heroes on the Electric Tower" (Taiwan Oriental); "Shinkansen, Go! ", "Route bus, go! " (Gospel Hall); "Transportation" (educational drama); "Rescue Helicopter Pruda", "Subway Ah Yin" (Shogakukan); "Run! Shinkansen "Hope" (PHP), etc. ★《深夜裡的鐵道英雄》、《電塔上的空中英雄》作者鎌田步最新力作★ 嘩啦啦的雨水都跑到哪裡去了呢？ 一起來探究城市雨水下水道的祕密！ 　　下雨天的雨水都到哪裡去了呢？院子的雨水會滲入土壤，屋頂上的雨水會沿著雨棚，流入四周的排水溝，再匯集到地下的「雨水幹支線」排放到小河。