Guided & commented tours

From 28 March until 3 April , ... From 4 April until 30 June , ... From 1 July until 31 August , ... From 1 until 30 September , ... From 1 October until 1 November

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

From 6 January until 12 December

From 6 January until 19 December

From 2 March until 22 December

From 2 January until 27 December

From 1 January until 30 June , ... From 1 July until 31 August , ... From 1 September until 31 December

From 2 January until 30 December

From 1 January until 31 December

From 3 March until 31 December

From 17 January until 31 December

From 17 January until 31 December