2. Nanshan Library OCT Branch is opposite OCT Ecological Square, which is very close to Happy Valley. If you take a bus, you can get off at He Xiangning Art Museum and walk about 300 meters to Wal-Mart in OCT. You can ask specifically.
3. Nanshan Science and Technology Library, that is, Shenzhen University Town Library, is right here in Xili.
4. Should Nanshan Library be demolished? You can log on to the website of Shenzhen Nanshan Library or consult the library staff directly! I hope I can help you!
The specific bus route depends on where you are. You can also call 12580 for consultation, and the local call is collect. You can also check the bus route online yourself!