You are downloading the Unesco XAP file v188.8.131.52 for Windows Phone. Unesco is a free and useful Travel app: Unesco World Heritage List i a unique list of places where you should be. This app allows you to find such places. This helps you to plan your trip. ... You can now download the offline XAP file to install & try it.
Download Locations for Unesco 184.108.40.206 XAP file
Note: To install it manually from an SD card, you should choose one of the server location above to get the offline Unesco XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.