The images on this web site are presented by country. Each country contains one or several photo series. All the images are royalty free with a very simple pricing -> Lo-res files (up to 1500 px; up to 2.5 MB) are licensed for $100 and hi-res original files (max 7490 px width; up to 50 M) for $200.
Some of the photo series can be purchased as a whole, with all the images available for download (up to 2000 px width; up to 3 MB each), for web use only. If you would like higher resolution images for print editions/publishing, please contact me for a price quote.