Is the setting of "All Summer in a Day" a backdrop setting or an integral setting? Why?

The setting is in on the planet venus

Explanation:

The story is set on the planet Venus, where it rains every day and people build tunnels and stay inside. The story is set sometime in the future. Margot, who is from the earth, goes to Venus five years ahead. As it was raining throughout in venus, she wishes to see the sun. One fine day the rain stops, but her friends lock her up and she misses that opportunity too.