More photos added (now 311 photos, 65 places and 146 moves), and new feature: now some orientations allow you to look up and/or down.
2 missing photos added (130-1 and 150-3).
Latest version uploaded to http://user.interface.org.nz/~andrew/photowalk/.
Uploaded database-based version (with treasure-hunt mode) to http://user.interface.org.nz/~andrew/photowalk/.