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Prince Charles and the Duchess of Cornwall have been visiting north Wales on the second day of their annual summer tour.

The royal couple saw Rhug Chapel at Corwen, Denbighshire, before meeting staff at nearby Rhug organic farm shop.

Later, the Prince of Wales visited the GwyriAD anaerobic digestion plant at Clynnog Fawr, near Caernarfon, Gwynedd.

Then the couple headed to St Beuno's Church in Pistyll, Gwynedd.

They began their summer tour on Monday when they visited the last home of poet Dylan Thomas in Laugharne, Carmarthenshire, and the prince also presented long service medals to Dyfed-Powys Police officers.

On Tuesday, the couple visited a 17th Century private chapel at Rhug.

It was built by Colonel William Salesbury, who held Denbigh Castle for the Royalists during the English Civil War.

Carved wooden angels are on display and the chapel's roof beams are painted with rose motifs, while one of the walls includes a painting of a skeleton - said to be a reminder of mortality.

Then, the couple visited Rhug Estate farm shop, which opened in 2002 and sells organic meat and produce.

They met staff at the shop, which includes a butcher's and bistro, opened in 2011.

Later, the Prince of Wales travelled to Clynnog Fawr, near Caernarfon, where he met staff at the GwyriAD anaerobic digestion plant.

The plant will convert 11,500 tonnes of household food waste into renewable energy each year, generating 3,500 megawatt hours of electricity.

The royal couple also visited St Beuno's Church at Pistyll in Pwllheli, Gwynedd.

The church dates from the 6th Century and was used by pilgrims to rest on their way to Bardsey Island.

The royal couple saw medicinal herbs and rushes which are traditionally laid on the floor at Christmas and Easter.