The key images are located at
https://drive.google.com/open?id=1VxDjkqbfUKqKNDSiZ9rROe_7e6JFLggc
or
http://kfk.rf.gd/Android/Bridges/images_en.html

Traveling without leaving home! Unique «fly» mode!
Are you ready to create your lessons with something incredible, exciting and modern?
Point the camera at a printed key image and it will come to life on your tablet or phone using this application. This application will create augmented reality and take you to the incredible world of bridges. Turn on the “Fly” mode and you will ride on the bridge or make an unforgettable flight around it. Modern lessons and projects with augmented reality are fun, creative and exciting. Create a 3D museum of modern unique bridges or build a bridge from available materials in class. You can investigate the basic structures of bridges. This application will give your lessons the modernity, interest and astonishment. 3D models of bridges will push students to creative thinking and will encourage students to generate ideas for building and create their own masterpiece.
You do not need an internet connection to use this application.

How does it work?
1. Download the application on your phone/tablet.
2. Print the key images located at
https://drive.google.com/open?id=1VxDjkqbfUKqKNDSiZ9rROe_7e6JFLggc
or
http://kfk.rf.gd/Android/Bridges/images_en.html

3. Run the application on the phone, point the camera at the image, and you see 3D models of bridges.

List of models:

Arch bridges:
Pont du Gard, France
Sydney Harbor Bridge, Sydney, Australia - through arch bridge

Suspension bridge
George Washington Bridge, New York, USA

Cable-stayed bridges:
Leonard P. Zakim Bunker Hill Memorial Bridge, Boston, USA
Erasmus Bridge, Rotterdam, Netherlands

Beam bridge
Viaducto de Ormaiztegi, Guipuzkoa, Spain

Bascule bridge
Tower Bridge, London, UK - combined bascule and suspension bridge

Cantilever bridge
Quebec Bridge, Quebec, Canada