Making friends in a new city can be a challenge, but it's also a great opportunity to broaden your social circle and build a new community. Here are some tips that can help you make friends once you move to Mexico City:

1. Join local groups and organizations: Look for groups and organizations that align with your interests, such as a hiking club, a book club, or a local volunteer organization. This can be a great way to meet new people and connect with like-minded individuals.

2. Attend events and activities: Get involved in local events and activities, such as festivals, concerts, or sporting events. This can be a great way to meet new people and have fun in your new city.

3. Volunteer: Volunteering can be a great way to meet new people and give back to your community. Look for local volunteer opportunities that align with your interests and skills.

4. Take a class: Consider taking a class in something you're interested in, such as a language, sports, cooking, or dance. This can be a great way to meet new people and learn something new. Depending on where you live there are a lot of sports/social clubs that can help you start building a community.

5. Make an effort to connect with your neighbors: Introduce yourself to your neighbors and make an effort to get to know them. This can be a great way to build relationships with people who live close by.

6. Utilize social media: Connect with people through social media, such as Facebook or Meetup. Look for local groups and events that align with your interests.

Remember, making friends in a new city takes time and effort, but by being proactive and putting yourself out there, you can build a new community and make lasting connections.