Try the quick, preconfigured searches here.
Read the database search FAQ for more info.
Even more thorough information on the categories used
Search for images with the properties...
Please note that class, country and other parameters cannot always be determined with certainty, so the results have to be taken with a grain of salt, sometimes even a chunk.
If you know better than the database, I would be grateful for corrections.
Learn more about the categories and insecurities of distinction.
To see what the database currently contains, see the database statistics.
More sophisticated search options are available via the Expert Search, but using them requires reading some instructions first.
Contact me in case of further questions - this will help me improve both the search and the FAQ.