Can you offer tips for visiting Mexico City for fun?

Located in the center of Mexico, Mexico City is in the high central plateau.  It is the capital of Mexico and the 5th largest city in the world.  The average temperature ranges from 54-61 degrees Fahrenheit and traffic is much more tolerable compared with the other large Metro Areas in the US like San Fransisco and Los Angeles. The city has lots of greenspace and has a “European” feel. Some practical tips when traveling to Mexico City, include 1. using the ride sharing app Didi, which is more popular than Uber or Lyft in Mexico City, to get around the city; 2. tipping is recommended and servers accept tips for small favors; 3.withdrawing money from ATM machines usually has high foreign transaction fees so it is better to exchange money at the airport or before arriving; 4. food is fantastic! Visitors will enjoy food at both upscale restaurants and low-key food trucks.