Collocations for skyline - noun

dramatic | city | Hong Kong, London, etc. | northern, southern, etc.

form | dominate
The skyline is dominated by a nuclear power station.

be silhouetted against/on, stand (out) against/on
A medieval castle stands against the skyline.

break
The skyline is broken by a water tower.

above/over ~
Clouds of smoke floated over the skyline.

against the ~
the moving figures he could see against the skyline

along the ~
lights twinkling along the Beirut skyline

below the ~
The sun slipped below the skyline.

on the ~
There are several gothic spires on the city skyline.