Group 1 - The cycling trend in China is surging, with cycling enthusiasts accumulating a total of 125 million kilometers, representing an 18% increase compared to the same period last year [1] - During the "May Day" holiday, cycling activities have become particularly popular, with many cycling enthusiasts gathering in locations like Shenzhen [1][3] - Shenzhen has developed a cycling plan featuring four main routes, which are color-coded on a map, including larger loops and smaller circuits like the Guangming Science City cycling loop [5] Group 2 - To ensure safety during the peak cycling times, security personnel have been deployed at critical areas such as sharp turns and popular attractions, along with the establishment of cycling rest stations and supply points [6] - The cycling equipment used by participants varies widely, with options suitable for beginners and daily riders, highlighting the accessibility of cycling in the region [8] - The easing of border controls has led to an influx of Hong Kong residents bringing their bicycles to Shenzhen, with over 800 individuals crossing the border to enjoy cycling during the holiday [10]