What's different in between?

[Budget] EZ Tour Bus for DMZ(Course A) [Upscale]DMZ Spy Tour with Military Base Visit
DMZ & 3rd Tunnel Experience
EG Tour Bus A Course

$ 35

[New Experience Small Group]
DMZ Spy Tour & 3rd Tunnel (No Shopping)

$ 165

Walk down to the 3rd Tunnel Activity Visit Military Base Camp
Military bunker, first battle field in Korean war
North Korea Spy Commandos' Infiltration Site
Walk along DMZ barbed wire fence
Military Observation Post
US Army Firing Range
Land Mine Field
Go down to the 3rd Tunnel via Train
Visit the Dora observatory Close to DMZ? Visit Military Base Camp and walk along with DMZ fence
Visit the Dora observatory
Under 30pax Bus Tour Tour Bus Small Group
SM Duty Free(Insadong) or Hongik Univ. Station Pick Up & Drop Pickup & Drop-off service (Hotels In Seoul)
English or Chinese or Japanese Languge / Guide
One language per vehicle. Tour Guide more focus on the customer.