二、三线城市旅游火爆 “红叶”“海边”成出行搜索关键词

Core Insights - Domestic tourism in China is experiencing a trend of market penetration, with a surge in travel from second and third-tier cities [1] - Data from the Civil Aviation Administration indicates that the average daily ticket bookings at small and medium-sized airports increased by 18% year-on-year during the National Day and Mid-Autumn Festival holiday [1] - A major online travel service platform reported a twofold increase in search volume for keywords related to autumn activities compared to August [1] Group 1 - Popular autumn destinations during the National Day holiday include Jiuzhaigou in Sichuan, Burqin County in Altay, Jilin's Antu County near Changbai Mountain, and Yangshuo in Guangxi [1] - The increase in travel interest is reflected in the rising search volumes for terms like "autumn appreciation," "red leaves," "beach," "grassland," and "autumn harvest" [1]