In a briefing held by Oxfam, a doctor, a physiotherapist and a podiatist offer professional advice to help walkers better understand and cope with the common medical problems they would encounter before and during the event. (Photo provided by Oxfam)

In a briefing held by Oxfam, a doctor, a physiotherapist and a podiatist offer professional advice to help walkers better understand and cope with the common medical problems they would encounter before and during the event. (Photo provided by Oxfam)

In a briefing held by Oxfam, a doctor, a physiotherapist and a podiatist offer professional advice to help walkers better understand and cope with the common medical problems they would encounter before and during the event. (Photo provided by Oxfam)

In a briefing held by Oxfam, a doctor, a physiotherapist and a podiatist offer professional advice to help walkers better understand and cope with the common medical problems they would encounter before and during the event. (Photo provided by Oxfam)