AYLESBURY, UNITED KINGDOM – JUNE 02: Contrails from airplanes leave the shape of an cross in the sky on June 02, 2020 in Aylesbury, United Kingdom . The British government further relaxed Covid-19 quarantine measures in England this week, allowing groups of six people from different households to meet in parks and gardens, subject to social distancing rules. Many schools also reopened and vulnerable people who are shielding in their homes are allowed to go outside again. (Photo by Catherine Ivill/Getty Images)