This event celebrates the annual migration of birds as they fly south along the Pacific Flyway for the winter.
(This event; celebrates; the annual migration of birds; T:as they fly south along the Pacific Flyway for the winter) (they; fly; south along the Pacific Flyway; T:for the winter)
This event they
celebrates fly
the annual migration of birds T:as they fly south along the Pacific Flyway for the winter
south along the Pacific Flyway T:for the winter