As climate change and rising sea levels put historic lighthouses in imminent danger, photographer David Zapatka has a sense of urgency to capture as many as possible. He's published a book, "USA Stars & Lights: Portraits from the Dark," to showcase what's at risk. Michelle San Miguel of Rhode Island PBS Weekly profiles Zapatka for our arts and culture series, "CANVAS." PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders