This is the 8417th most frequent Russian word.
набережных
"Embankments" or "waterfronts."
In this sentence, 'набережных' is used to refer to multiple quay areas or riverfronts.
Мы гуляли вдоль набережных, наслаждаясь видом на реку.
We walked along the quay sides, enjoying the view of the river.
Here, 'набережных' is used metaphorically to describe the development of the areas near the water as places of interest.
Развитие набережных города привлекло множество туристов.
The development of city quays attracted many tourists.
In this sentence, 'набережных' refers to the locations by the water from which something is observed.