The Battle of Mametz Wood was part of the Battle of the Somme - one of the largest fought during the First World War.
- The memorial stands just outside the village of Mametz in Picardy, overlooking the wood that was the objective of the 1916 battle
- 4,000 men from the 38th Division were killed or wounded in the Battle of Mametz Wood
- More than 1m soldiers on both sides were killed or wounded in the Battle of the Somme
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The owners of what some people claim to be the 'Welsh Holy Grail' are offering a cash reward for the ancient artefact's safe return.
Staying mostly dry overnight with generally light winds, but cloud and wind will gradually increase from the northwest from the early hours.
In the last programme we've been to meet two Welsh entrepreneurs who chose a different route and we visit the Energy Centre at Coleg Menai.