If you want to build real friendships as an adult, small group trips might be...
https://www.toro-bookmarks.win/if-you-re-looking-to-make-real-friends-on-the-road-small-group-travel-might-be
If you want to build real friendships as an adult, small group trips might be the way to go. One thing that really helped me connect with new people was sharing meals together every day