reporter: on this weekend, we followed along as they focused on the historic neighborhood around eldridge street on manhattan's lower east side. in the late 1800s, this was a predominantly jewish neighborhood, where many eastern european immigrants worked in the garment industry and lived in crowded tenements. in the 1920s, new legal restrictions curtailed jewish immigration and the neighborhood slowly became a center for greek immigrants. then, new york's famous chinatown began spilling over and the street took on a distinctly asian character. today, latino families are moving in, as are muslims from asia and africa. >> people's faith paths come from all over the world and flow into eldridge street from the head of it and then go on down to the end and you have the history of world religions. right here. >> reporter: our first stop, a saturday morning service at the buddhist association of new york, where monks and nuns in the mahayana tradition are chanting the lotus sutra. many of the people here are fujinese-speaking chinese immigrants, but after talking with some of the leaders, carn