Free collection of extensions to the browser Mozilla Firefox, in one supplement. A set of tools for the study sites.
The package of Firefox extensions for the study sites and safe surfing on the Internet. Information on creating and using a set of extensions. Update plug-ins Firefox, Opera, Chrome.
The modern city on the Kamchatka Peninsula - gallery pictures of the city of Petropavlovsk-Kamchatsky and its inhabitants, photographic coverage of significant events in the life of the Kamchatka region.