Gravity is a natural phenomenon
or
Mirages are a common desert phenomenon
Each time a new social media app is revealed to the world it becomes a phenomenon for a while and then slowly fades into unimportance
I am pretty sure it is Latin And Greek.
maybe she/he have the dream or urge to fly.
Spring would be the most inappropriate.
Spring is commonly used in literature to represent things like birth, new beginnings, growth, etc. Overall, Spring is used to show positive themes. To best represent a nearing death and other negative themes, an author should opt to use Winter or Autumn.