SFGatePro surfers compete at mysterious wave facility in the middle of the Central ValleySFGateKelly Slater of the US does a cutback during the final of the WSL Founders' Cup of Surfing, at the Kelly Slater Surf Ranch in Lemoore, California on May 6, 2018. - The two-day event brings twenty five of the ... more. Photo: MARK RALSTON/AFP/Getty ...and more »
