TOKYO—The Paralympics began Tuesday in the same empty National Stadium—during the same pandemic—as the opening and closing ceremonies of the recently completed Tokyo Olympics. Japanese head of state Naruhito officially opened the games, this time under the theme “We Have Wings.” Among the few on hand were Douglas Emhoff, husband of U.S. Vice President Kamala Harris, International Paralympic Committee President Andrew Parsons, and International Olympic President Thomas Bach. The opening with acrobats, clowns, vibrant music, and fireworks atop the stadium marked the start of the long parade of athletes. “I cannot believe we are finally here,” Parsons said in his opening remarks. “Many doubted this day would happen. Many thought it impossible. But thanks to the efforts many, the most transformative sport event on earth is about to begin.” The opening ceremony featured the national flags of the 162 delegations represented, which included the refugee team. In addition, the flag …