Guided & commented tours

From 10 May until 5 July , ... On Monday 13 Jul , On Monday 20 Jul , On Monday 27 Jul , On Monday 3 Aug , On Monday 10 Aug , On Monday 17 Aug , On Monday 24 Aug

On Sunday 17 May , ... From 24 until 25 May , ... On Sunday 31 May , On Sunday 7 Jun , On Sunday 14 Jun , On Sunday 21 Jun , On Sunday 28 Jun , On Tuesday 30 Jun , On Thursday 6 Aug , On Thursday 13 Aug , On Thursday 20 Aug , On Thursday 27 Aug

On Sunday 17 May , On Sunday 24 May , ... On Sunday 31 May , On Sunday 7 Jun , On Sunday 14 Jun , On Sunday 21 Jun , On Sunday 28 Jun , On Wednesday 1 Jul , On Friday 3 Jul , On Sunday 5 Jul , On Tuesday 7 Jul , On Thursday 9 Jul , On Saturday 11 Jul , On Monday 13 Jul , On Wednesday 15 Jul , On Friday 17 Jul , On Sunday 19 Jul , On Tuesday 21 Jul , On Thursday 23 Jul , On Saturday 25 Jul , On Monday 27 Jul , On Wednesday 29 Jul , On Friday 31 Jul , On Sunday 2 Aug , On Tuesday 4 Aug , On Thursday 6 Aug , On Saturday 8 Aug , On Monday 10 Aug , On Wednesday 12 Aug , On Friday 14 Aug , On Sunday 16 Aug , On Tuesday 18 Aug , On Thursday 20 Aug , On Saturday 22 Aug , On Monday 24 Aug , On Wednesday 26 Aug , On Friday 28 Aug , On Sunday 30 Aug

On Sunday 17 May , On Saturday 12 Sep

On Sunday 17 May , On Sunday 7 Jun , ... On Saturday 20 Jun , On Sunday 13 Sep

From 1 May until 30 June , ... From 1 until 31 July , ... From 1 until 31 August , ... From 1 until 30 September

On Sunday 17 May , On Sunday 24 May , ... On Sunday 31 May , On Monday 1 Jun , On Thursday 4 Jun , On Friday 5 Jun , On Sunday 7 Jun , On Thursday 11 Jun , On Friday 12 Jun , On Sunday 14 Jun , On Monday 15 Jun , On Thursday 18 Jun , On Friday 19 Jun , On Sunday 21 Jun , On Monday 22 Jun , On Tuesday 23 Jun , On Thursday 25 Jun , On Friday 26 Jun , On Monday 29 Jun , On Tuesday 30 Jun , From 1 until 12 July , ... From 13 July until 30 August , ... From 1 until 27 September

From 8 February until 25 October

From 1 April until 31 October

From 16 until 31 May , ... From 1 June until 30 September , ... From 1 until 17 October , ... From 18 until 31 October

From 5 April until 28 June , ... From 5 July until 30 August , ... From 6 September until 11 November

From 1 April until 30 November