How to take a bus from Changling main station to investment building 2, and how long does it take at the earliest?

Bus route: sightseeing line 1, the whole journey is about 15.4 km.

1. Walk about 670 meters from Changling Station and arrive at Changling Station.

2. Take the sightseeing line 1, pass the station 13, and arrive at Station 1 of Radio and Television Building.

3. Walk about180m to Investment Building ②.