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Sir,

The two sentences below are examples of what I want to ask about.

Hangzhou's West Lake is like a mirror, embellished all around with green hills and deep caves of enchanting beauty.

And,

Ten cables are composed of thousands of wires made of high-tensile steel, which are galvanized to resist corrosion.

What does eath of the italicized parts of the sentenses modity?

For the first sentence, I mean "deep caves alone or together with green hills.

and for the second, "wires or high-tensile steel"?

Thanks in advance
Comments  
PROBABLY "of enchanting beauty" modifies both "hills" and "caves." If not, it would have to be rewritten to avoid confusion. In the second, "which ARE" must refer to "wires" because "steel" needs "is."
Thank you so much, sir.