Terrain Issue - Port South

[Deedy]

Version:
0.29.7

Description:
The back entrance for Port South has terrain that is impassible.

Steps to Reproduce:
1. Go to port south back entrance
2. Attempt to walk into the city
3. Player should get stuck against an invisible barrier

Consistency:
Permanent issue with the terrain/city

System specs/OS:
Intel 15-3570K @ 3.40GHz
ATI Radeon HD5770 PCIE 1GB
8.00GB G-Skill Ram
64-bit Windows 7

Severity:
Minor, you can still access the city via the front entrance

Workaround:
Use the front entrance to Port South.

Attachment:
A screenshot of the problem spot.

http://i.imgur.com/4mw8t.jpg