Guided & commented tours

From 21 until 31 December

From 2 January until 31 March , ... From 1 April until 30 June , ... From 1 July until 31 August , ... From 1 September until 31 December

On Tuesday 17 Feb , On Tuesday 14 Apr , ... On Tuesday 21 Apr , On Tuesday 16 Jun , On Tuesday 14 Jul , On Tuesday 21 Jul , On Tuesday 4 Aug , On Tuesday 11 Aug , On Tuesday 18 Aug , On Tuesday 25 Aug , On Tuesday 1 Sep , On Tuesday 15 Sep , On Tuesday 29 Sep , On Tuesday 13 Oct , On Tuesday 27 Oct , On Tuesday 29 Dec

From 1 January until 31 December

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

On Thursday 12 Feb , On Thursday 19 Feb , ... On Thursday 26 Feb , On Thursday 5 Mar , On Thursday 9 Apr , On Thursday 16 Apr , On Thursday 23 Apr , On Thursday 30 Apr , On Wednesday 27 May , On Wednesday 10 Jun , On Thursday 9 Jul , On Thursday 16 Jul , On Thursday 23 Jul , On Thursday 30 Jul , On Thursday 6 Aug , On Thursday 13 Aug , On Thursday 20 Aug , On Thursday 27 Aug , On Wednesday 2 Sep , On Wednesday 16 Sep , On Wednesday 30 Sep , On Thursday 22 Oct , On Thursday 29 Oct , On Wednesday 30 Dec

From 9 January until 31 December

From 1 January until 31 December

From 1 January until 31 December

From 1 January until 31 December

From 1 January until 31 December

From 5 February until 31 December