What is the meaning of 厚重感？
厚重= thick and heavy
厚重感 = a thick and heavy feel
The most direct translation would be &quot;a thick and heavy feel&quot;. It implies the air is filled with some sense that you can almost feel it's thickness and weight.
In the context of the quotes, 厚重感 can also be translated as &quot;a substantial feel&quot; or &quot;a feel of immensity&quot;

substantial (adjective):

of ample or considerable amount, quantity, size

of solid character or quality; firm, stout, or strong



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immensity(noun):

vastness; enormous extent:
the immensity of the Roman empire.