CGTN Europe on Instagram: "Huge sinkhole opens on football pitch!⁣ ⁣ This CCTV footage shows a huge sinkhole opening up in the middle of a football pitch in Alton, Illinois. ⁣ ⁣ The area is constructed above a limestone mine. ⁣ ⁣ Local mayor David Goins said no one was on the field at the time. ⁣ ⁣ #US #USA #Illinois"