I have seen the nice pictures from the internet so this trip I made it using public transportation. We started from North Gate. The first platform has not much colors. 2nd platform is very wide and the last platform has very bright and sharp colors, most beautiful and very crowded. It is easy to go to West Bus Station by bus and take a bus for 15 Yuan to Danxia Geological Park. Ticket 54 Yuan, over 60 years old half price, foreigners can receive discount too. Sight seeing bus 20 Yuan all age. Insurance 1 Yuan. Can use ticket for the following day and pay for sight seeing bus only. From what I can remember the last bus back to Zhangye West Bus Station is 6pm.