Originally a center of shipbuilding, East Boston has always been a neighborhood of immigrants. Today its population is made up largely of Italian-Americans and immigrants from Central and South America and Southeast Asia. That diversity is reflected in the neighborhood's myriad of ethnic restaurants. The nation's first branch library was built in East Boston in 1870. The housing is a mixture of old and new, including many restored triple-deckers. Logan Airport, is located here, making East Boston a gateway to people from around the world. Located across Boston Harbor, East Boston residents enjoy fantastic waterfront views of the city skyline.