They gently placed the badge beside the Silk Road Heritage Stele in front of Chen Jialuo's grave, where, together with tokens such as Congolese rainforest hardwood, an Incan terrace tapestry, an Alpine scarf, Maasai calfskin, and a Mayan jade pendant, it formed a "Panorama of Global Civilizational and Ecological Coexistence." Di Yun, Granny Hua, and Wan Yunxi gathered nearby, their eyes full of emotion as they looked at the "Aqueduct Pattern Observation Diary" Valeria had uploaded to the Global Pattern Digital Platform. "Senior Lin, Senior Chen," Muhammad said softly, "from Rome's ancient aqueduct patterns to the Congo's rainforest plant patterns, and then to the Incas' terrace irrigation patterns, what we pass down has never been isolated cultural symbols, but humanity's shared protection of cities, nature, and the lifeblood of life. Now, through these young people's hands, that protection is being passed on across time and space, in cities, in rainforests, and among terraces." West Lake's winter snow fell on the bronze badge, reflecting a sheen like the flowing water of an ancient aqueduct. In the distance, Leifeng Pagoda stood in the snow like a silent guardian of the city. Muhammad knew that the Young Heritage Vanguard Team's journey would continue-their next stop might be the Mayan ruins in the Americas, or perhaps Africa's Maasai Mara grasslands. But wherever they went, the moral principles of "A Deadly Secret" and the warmth of global patterns would, like the water flowing through Rome's ancient aqueducts, endure without end, forever safeguarding the balance of coexistence between human civilization, nature, and cities, and continuing a new cultural chapter belonging to all humanity that would never draw to a close. A new chapter of A Deadly Secret: resonance of Mayan ritual calendar patterns. Just after the spring equinox, the Young Heritage Vanguard Team's flight landed on Mexico's Yucatán Peninsula-the organization protecting the Mayan ruins had sent a third invitation, hoping they could further revitalize the Mayan "Ritual Calendar Pattern" and "Architectural Symmetry Pattern." Although the team had previously devised the Astronomical Pattern Awakening Plan, as dialogue among global civilizations deepened, the organization hoped to uncover the profound wisdom of "coexistence between people, astronomy, and architecture" within the patterns, so that the younger generation would not only learn the Starlit Breath-Regulating Steps, but also understand the Mayans' twin pursuits of cosmic order and architectural aesthetics. Muhammad led Soka, Karen, Marco, Lucio, Kam (a boy from the Congo), Diego, Karu, Lina (a boy from the Alps), Pacha, Valeria, and other members into the ancient city of Chichén Itzá once again. Standing before the Temple of Venus on the eastern side of the Pyramid of Kukulcán, the Mayan scholar Carlos pointed to the "Ritual Calendar Pattern" on the temple wall and said, "This pattern records the Mayans' ritual cycles-each zigzag represents a ritual, and each dot corresponds to a day, while the pattern's symmetrical layout precisely echoes the pyramid's architectural symmetry patterns, symbolizing 'the unity of order in astronomy and architecture.' But most children today only know the name 'Mayan calendar,' without understanding that these patterns were the ancients' ritual language for 'conversing with the cosmos.'" Valeria rubbed the Roman bronze badge she carried with her, recalling her experience of using "water-flow patterns" at the ancient aqueduct to understand the urban water cycle. "Perhaps we could turn the Ritual Calendar Pattern into an 'astronomical ritual classroom'? Just as we used water-flow patterns to understand urban water management, we could let everyone understand the Mayan view of the cosmos through simulated rituals." Carlos's eyes lit up at the suggestion, and the Mayan Ritual Calendar Pattern Resonance Plan officially began through the fusion of experiences from different civilizations: I. Resonance between martial arts and astronomical rituals: making patterns "echo the cosmos." Lin Xiaowu gazed at
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