Briefing： Experienced walker, doctor, physiotherapist, environmental specialist and Oxfam representative have shared their valuable experience, as well as safety and other practical tips. New information about the route, COVID-19 precautionary measures, new arrangements regarding the start point and finish point were also addressed in the briefing. English: https://www.oxfamtrailwalker.org.hk/briefing/ Cantonese: https://www.oxfamtrailwalker.org.hk/zh-hant/briefing/ Putonghua: https://www.oxfamtrailwalker.org.hk/zh-hans/briefing/