English: Four layers of logs 20-25 cm in diameter at right angle to each other, one crosswise, the other length wise (with respect to the road direction). Spacing was about 1.2 m between logs, for a total width of 9 m for the reinforced width.
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
https://creativecommons.org/licenses/by/4.0CC BY 4.0 Creative Commons Attribution 4.0 truetrue
Captions
One example of ice reinforcement - there are others.
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