Core Points - The giant panda "Qingbao" celebrated its fourth birthday at the National Zoo in Washington, marking its first birthday in the United States [1][3][5] - The birthday party theme was "Forever Sweet," featuring a birthday cake made of pineapple and apple juice, decorated with Qingbao's favorite snacks [3][5] - A large number of American visitors attended the celebration, expressing their affection for the panda and sharing their experiences [5] Summary by Sections Birthday Celebration - "Qingbao" turned four years old on September 12, 2023, and this was its first birthday celebration in the U.S. [1][3] - The zoo prepared a special birthday cake primarily made of pineapple and apple juice, surrounded by snacks like carrots, peaches, and blueberries [3] - The cake was designed with care over three weeks to ensure it was visually appealing [3] Visitor Engagement - Many visitors arrived early to celebrate with "Qingbao," who enjoyed the festivities by exploring its enclosure and eating from the birthday cake [5] - Attendees expressed their joy and excitement, with some sharing personal stories about their long-standing interest in pandas [5] - Visitors like Rachel White traveled from Philadelphia specifically to celebrate "Qingbao's" birthday, highlighting the emotional connection people have with pandas [5]