Ireland, County Sligo, Castlebaldwin, Carrowkeel Megalithic Cemetery, Facade of one of the cairns known as Cairn H with entrance doorway visible..

Ireland, County Sligo, Castlebaldwin, Carrowkeel Megalithic Cemetery.

Ireland, County Sligo, Castlebaldwin, Carrowkeel Megalithic Cemetery, View from the summit over one of the cairns..

Ireland, County Sligo, Castlebaldwin, Carrowkeel Megalithic Cemetery, View from the summit over two of the cairns..

Iceland, Reykjavik, Glass front exterior of Harpa Concert Hall and Conference Centre.

Iceland, Reykjavik, Glass front exterior of Harpa Concert Hall and Conference Centre.

Iceland, Reykjavik, Glass front exterior of Harpa Concert Hall and Conference Centre.