I had only lived in big cities before (Buenos Aires and NYC) where is very unusual to have any kind of interaction with strangers. In my experience here people

I had only lived in big cities before (Buenos Aires and NYC) where is very unusual to have any kind of interaction with strangers. In my experience here people starts conversations all the time in almost any public space (grocery stores, parks, buses, etc.) and I have to say that I'm not used to that haha but I really enjoy it. I wonder if this is a neighborhood thing maybe?