Скачать или смотреть Harbin Ice Snow Festival. Every winter in Harbin, China, ice is extracted directly from the river.

For the festival, workers cut massive ice blocks from the Songhua River, transport them to construction sites, and use them as building material.
From these blocks, they create palaces, towers, bridges, and large-scale ice structures as tall as multi-storey buildings.

— how ice is harvested in China during winter
— how ice is cut on a frozen river
— why giant ice blocks are needed
— how an ice city is built in Harbin
— why ice is suitable for temporary architecture

The Harbin Festival is an example of how climate, simple mechanics, and precise calculations make it possible to create temporary architecture in the middle of winter and the New Year season.
This is real engineering and the physics of cold — without computer graphics or myths.

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