Group 1 - The core viewpoint of the article highlights the rapid development of cultural tourism resources in Tongzhou District, with a focus on the construction of the Haichang Ocean Park and the upcoming opening of the Vertex Park, which is set to become Asia's largest indoor children's theme park, attracting over 2 million visitors annually [1][2] Group 2 - Vertex Park is strategically located between Wansheng West Station and Wansheng East Station on Metro Line 7, featuring a main corridor with a giant sky screen and is designed to be an immersive theme park with international entertainment IPs such as Hasbro and Peppa Pig [1][2] - The Haichang Ocean Park is expected to be completed and opened by 2027, marking the first large-scale marine theme park built in Beijing since 2000, featuring modern attractions like underwater guest rooms and a large ocean pool restaurant [1][2] - The park will include two major theaters: the Whale and Dolphin Theater with 5,000 seats, one of the largest indoor whale and dolphin theaters in China, and the Happy Theater with 2,200 seats, showcasing interactive performances with marine animals [2]