People visiting Six Flags theme parks and water parks this summer will be required to wear face masks at all times, the company said, as it prepares to reopen its first park to visitors since the coronavirus forced mass closures. Six Flags said it also will use thermal imaging to screen temperatures of guests and employees before they can enter. Frontier City is the first theme park to reopen on June 5 Oklahoma City will reopen on June 5 — the first Six Flags park to do so. But beforeRead More