adcelannotate = {"mobilepaywallcategory" : "MOBILE_PREM-LOCAL","nativepaywallcategory" : "NATIVE_PREM-LOCAL"};A trio of people found silence and peace Wednesday amid the din of Downtown traffic, the clamor of lunching workers and the grind of roadwork equipment. Inside Trinity Episcopal Church's Urban-Spirit Center, the reigning sound was the gentle hum of a rin gong that signaled the start and stop of meditation.