Which image fits the word urbanization?

What does this image tell you?

My school is a friendly __________of students who help each other.

Global Scholars work together in an online___________ with classes from different cities around the world.

My friends and I have different perspectives because we grew up in different cities. What does the word "perspective" mean here?

Nature _________ our lives in important ways.

How can we _________ nature so that we have it in the future?

As cities grow, people build more_________.

The__________ can help cities with challenges of urbanization. It can include rooftop gardens that filter air and improve public health.