This category is within the scope of WikiProject Architecture, a collaborative effort to improve the coverage of Architecture on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.ArchitectureWikipedia:WikiProject ArchitectureTemplate:WikiProject ArchitectureArchitecture articles
This category is within the scope of WikiProject Civil engineering, a collaborative effort to improve the coverage of Civil engineering on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.Civil engineeringWikipedia:WikiProject Civil engineeringTemplate:WikiProject Civil engineeringCivil engineering articles
This category is within the scope of WikiProject Poland, a collaborative effort to improve the coverage of Poland on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.PolandWikipedia:WikiProject PolandTemplate:WikiProject PolandPoland articles
This category is within the scope of WikiProject Silesia, a project which is currently considered to be inactive.SilesiaWikipedia:WikiProject SilesiaTemplate:WikiProject SilesiaSilesia articles
This category is within the scope of WikiProject Ethnic groups, a collaborative effort to improve the coverage of articles relating to ethnic groups, nationalities, and other cultural identities on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.Ethnic groupsWikipedia:WikiProject Ethnic groupsTemplate:WikiProject Ethnic groupsEthnic groups articles