Many of Ukraine's historical monuments were destroyed by the Russian army, but cultural experts are working to preserve their memory using advanced technology and 3D scans. One of them is a volunteer French engineer, Emmanuel Durand, a 3D data acquisition specialist, who is helping a team of architects, engineers, historical building experts and a museum director to record buildings in Kyiv, Lviv, Chernigiv and Kharkiv. He places his laser scanner in a strategic corner of the severely damaged building and records it from all angles. At the end of the day, Durand assembles all the data on a computer to digitally reconstruct the building. The result is a perfect reproduction, accurate to within five millimetres (a fraction of an inch), which can be rotated in any direction or cut into sections.
High-tech race to map Ukraine's damaged historic buildings
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