Longnan Tunnel finish after 1330 day and night work on August 19 2020. It is longest tunnel of Ganzhou-Shenzhen high-speed railway. It is main railway connecting Jiangxi to Guangdong-Hong Kong-Macao Greater Bay Area. When in operation, it make Ganzhou to Shenzhen time from 7 hours to 2 hours. Xinhua news say tunnel pass 12 fault zones. 

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