Five-year-old sniffing dog “Vine” wears protection goggles against the sun and dust as he poses together with Giulia Gausemann for photographers, at the sniffing dogs school of the German Army (Bundeswehr) in Daun, Germany, July 24, 2020. The Bundeswehr sniffing dogs school and the veterinarian university of Hanover are developing a training programme to sniff out the coronavirus disease (COVID-19) with dogs at airports, border crossings and other highly frequented places. (Photo by Wolfgang Rattay/Reuters)

Afghan women attend a rally to support Afghan security forces and demand peace in the country in Herat, Afghanistan, 08 February 2021. Hamdullah Mohib, Afghanistan's National Security Advisor told a press conference in Kabul on 06 February, the Afghan government was ready for war after successive setbacks in recent weeks to peace talks with the Taliban, who have refused to return to discussions that began in September in Doha. (Photo by Jalil Rezayee/EPA/EFE)

A boy wearing a dress-up costume to mark the upcoming Jewish holiday of Purim, which is a celebration of the Jews' salvation from genocide in ancient Persia, walks on a street in the ultra-Orthodox Jewish neighbourhood of Mea Shearim in Jerusalem on February 24, 2021. (Photo by Ammar Awad/Reuters)

Revellers enjoy a night out in central Liverpool, northwest England, on December 30, 2020 before hightened Tier 3 restrictions closing hospitality venues, and bars indoor and outdoor socialising between households are imposed in the city amid surging cases of the novel coronavirus. (Photo by Oli Scarff/AFP Photo)

People and security members run away as Kurdish animal rights activists release a bear into the wild after rescuing bears from captivity in people homes, in Dohuk, Iraq on February 11, 2021. (Photo by Ari Jalal/Reuters)

A member of Extinction Rebellion Red Rebel Brigade protests against fracking gas outside Government Buildings in Dublin, Ireland on March 23, 2021. (Photo by Clodagh Kilcoyne/Reuters)

Goose, a nine-month-old cat, sits in a backpack as people gather during a Speak Out Against Sexual Violence demonstration at Eastern Michigan University in Ypsilanti, Michigan, U.S., March 28, 2021. (Photo by Emily Elconin/Reuters)

Excited Brits beamed as they grabbed a pint outside in Leeds, United Kingdom on April 17, 2021. Pubs and restaurants with outdoor space have been allowed to reopen as lockdown restrictions are eased in the UK. (Photo by Nb press ltd)