Andy Desai and Brian McGregor will take part in the Sailors' Society Great Wall of China Challenge in May - to walk from Jainkou to Mutianyu and through eight watchtowers at Crouching Tiger Hill before walking the wild wall at Coiling Dragon Hill to reach 24-Eye Tower, the highest point on the hike.

Gubeikou, along with the passes at Shanhaiguan in the east and Juyongguan in the west, has been a key strategic target in military campaigns since ancient times.

The walk will take place on 19th and 20th May.

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