I have seen an “unstable” rock formation similar to the one in the 3rd picture in Hungary and it was reinforced with rebar glued in with some kind of very strong resin. I wouldn’t be surprised if that “unstable” rock would be also secured with rebar.
Also, the closest thing Hungary has to the cliffs overlooking the road in the 1st picture (the side of the Gellért Hill in Budapest) is also full of rebar and concrete reinforcements to make it secure. Otherwise an earthquake could kill dozens and knock out an important road for weeks.
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Cool!
I have seen an “unstable” rock formation similar to the one in the 3rd picture in Hungary and it was reinforced with rebar glued in with some kind of very strong resin. I wouldn’t be surprised if that “unstable” rock would be also secured with rebar.
Also, the closest thing Hungary has to the cliffs overlooking the road in the 1st picture (the side of the Gellért Hill in Budapest) is also full of rebar and concrete reinforcements to make it secure. Otherwise an earthquake could kill dozens and knock out an important road for weeks.