One-hour library is an institution that collects, sorts out and collects books and materials for people to read and refer to. According to inquiries, everyone is asking, it is 8 kilometers away from the library and an hour by bike. If it is a city road, a high-end road car, it takes about 40 minutes. If there is no hardened road in the mountainous area, it takes more than an hour to ride a high-end mountain bike. Safety should be put in the first place when riding.