Courtesy Maxim Kamynin

Written by Emma Tucker, CNN

Ablown-up Russian tank near Kyiv, a monument for Ukrainian writer Borys Hrinchenko, an apartment building destroyed by artillery and a slide in a children’s playground covered in graffiti.

In Ukraine, these objects are among hundreds of landmarks, cultural sites, monuments and everyday things that civilians have scanned on mobile phones through an app called Polycam. The app’s software generates a detailed 3D model that will live permanently in a digital archive as part of an initiative called Backup Ukraine.

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