As the owner of a large number of Boxer Rebellion figures, I appreciate these photos of China in color circa 1912. My guess is that this is pretty representative of China over a long period of time, and will be useful for gamers from the Opium Wars through the revolution.
The Miniatures and Terrain Blog has this tutorial on modeling wooden road obstacles.
Here’s a photo tutorial on making some nice looking model wood stacks. Useful stuff for battlefields across the centuries.
Stargrunt WWII adapts the science fiction rules for action in the Second World War.