Do you have to wear a mask everytime you go out in public in Maine, whether to hike the trails of Acadia National Park or walk Main Street in Bar Harbor? Why are the park’s picnic areas at Thompson Island and Bear Brook closed? When will the park campgrounds open? Is the Island Explorer running? These and other FAQs answered in the latest installment of “A view from Bubble Rock,” to help plan your visit to Acadia National Park during the pandemic.