Really do not know how to comment on the 4A, the gate there are selling things, the parking place is a mess, but the tunnel does make people feel shocked, eye-opening people, because of the environmental impact, not at the same time into a lot, so in front of the ship for a long time, the staff are also management not standardized, scenic spots on personnel quality is not high, scenic areas within the tunnel Really rare, five points up two service evaluation, really, is the most scenic spots in the other two hardware