When a place is described as swarming with people or things, it means there are large numbers of them moving around actively.
For example:
"The garden is swarming with wasps."
This phrase highlights an area rich with activity or filled densely by living creatures or objects in motion.
Swarming indicates a dynamic and often overwhelming presence, emphasizing quantity and movement simultaneously.
Author's summary:
The expression "swarm with" denotes a place teeming with many moving people or things, illustrating lively, crowded activity in a specific area.