Interns at Pax Wines in Sebastopol, Calif., stomp organic grapes with their bare feet in large vats, pulling out the juice to start the fermentation process on Sept. 8, 2023. More wineries and wine bars dedicated exclusively to natural wine are opening in the U.S., with a focus on a back-to-basics approach, avoiding additives, pesticides and other manipulative techniques. (AP Photo/Haven Daley)