The report of the NEUA 2023 expedition to Mae Hong Son in February and March 2023 is available from https://www.eurospeleo.eu/wp-content/uploads/2023/08/ES_2022-11_NEUA_Thailand_Report.pdf
Eight cavers from Belgium, France, Poland, UK and Thailand connected Tham Pung Hung, Tham Huai Kun and Tham Pha Daeng Yai to create the 8.6 km Long Snake System.
Eight cavers from Belgium, France, Poland, UK and Thailand connected Tham Pung Hung, Tham Huai Kun and Tham Pha Daeng Yai to create the 8.6 km Long Snake System.