Group 1 - Shenzhen Airport has officially entered the "three-runway era," enhancing its role as a composite international aviation hub and injecting new vitality into the construction of a world-class airport cluster in the Guangdong-Hong Kong-Macao Greater Bay Area [1] - The passenger throughput at Shenzhen Airport is expected to exceed 60 million in 2024 and reach 65 million in 2025, with cargo throughput projected to surpass 2 million tons for the first time [1] - The airport is accelerating the construction of a "3+3+3+1" infrastructure layout, which includes three terminals, three cargo areas, three runways, and one satellite hall, aiming to meet an annual passenger throughput demand of 80 million and cargo throughput of 4.5 million tons [1] Group 2 - The Greater Bay Area is becoming one of the regions with the highest airport runway density globally, with seven airports and 15 runways across 56,000 square kilometers [2] - The development plan for the Greater Bay Area emphasizes the construction of a world-class airport cluster, with significant expansions at Shenzhen, Guangzhou, and Hong Kong airports expected to optimize industrial layout and activate regional resources [4] - The establishment of a collaborative mechanism among the five major airports in the Pearl River Delta aims to address competition and enhance cooperation, with each airport focusing on different market segments [4][5]