My understanding is, you aren’t “trespassing” in publicly accessible areas, until you’ve been told to leave and refused^*^
^*^^Of^ ^course^ ^it^ ^varies^ ^from^ ^jurisdiction^ ^to^ ^jurisdiction,^ ^but^ ^generally^ ^in^ ^the^ ^U.S.^
My understanding is, you aren’t “trespassing” in publicly accessible areas, until you’ve been told to leave and refused^*^
^*^^Of^ ^course^ ^it^ ^varies^ ^from^ ^jurisdiction^ ^to^ ^jurisdiction,^ ^but^ ^generally^ ^in^ ^the^ ^U.S.^