Police in Vorarlberg state, at Austria's western tip, say the accident happened Friday night as a truck with a trailer loaded with trees drove through the town of Hohenems.
The trailer hit a wall, tipped over and landed in the garden of a house. A police statement Saturday said that the fire service dispatched 30 people to recover the hundreds of fir trees.
A passenger in the truck was injured and taken to a local hospital.
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