A museum is being moved lock, stock and barrel in China - on hundreds of steel wheel - 100 metres down the road.
The Yellow River Museum in Zhengzhou, Henan province was in the way of a new underground railway station.
But the building was considered too important to demolish for the city's new tube transport system.
So conservationists built a special track to wheel the 400 tonne building, centimetre by centimetre, on more than 300 steel wheels to its new site.
Inside, a steel framework supports the building to stop it collapsing in on itself as it moves.
Architect Zheng Jiatai explained: "The building is a mixture of Chinese and old Soviet Union styles which is unique.
"We could have taken it down brick by brick and rebuilt it, but the character would have changed forever."