Long queue outside the Museo del Prado art gallery, Madrid, Spain

Outdoor wooden sculpture gallery on the Hill of Witches, near Juodkrante, Curonian Spit, Lithuania, Baltic States, North Europe

The Turreted Pavilion and Long Gallery, reflected in the River Cher, Chateau de Chenonceau, Indre-et-Loire, Pays de la Loire, France, Europe

Caucasian artist holding artwork in gallery

The historic Long Room of the Old Library, in Trinity College, Dublin, Ireland

The Long Room, Trinity College Library, Dublin, Ireland

Visitors and Reproductions of pages from the Book of Kells, inThe Old Library, in Trinity College, Dublin, Ireland

Artemidora, A.D. 90-100. From Meir. Mummy. Metropolitan Museum of Art, New York, USA. The mask portrays a young woman lying flat as if upon her bier. Her hair is arranged in tiers of snail curls over her forehead. Alongside her face flows a black Egyptian-style wig, the long locks bound with narrow rings of gold in pharaonic fashion.

Antiquarium, 66 meters long, Residenz, Munich, Upper Bavaria, Bavaria, Germany

The Berlin Cathedral and Museum Island at dusk

Taelligrattunnel, a 1 km long discharge tunnel built in 1895, between Maerjelensee lake and Fiescheralp, now used as a hiking trail and short-cut, Canton of Valais, Switzerland, Europe

The Long Gallery including the Bergonzoli sculpture and Emperor of China tapestries, Rangers House, dating from 1723, London, England, United Kingdom, Europe

Germany, Berlin, The East Side Gallery, a 1.3 km long section of the Berlin Wall, Mural called Homage to the Young Generation by Thierry Noir.

Germany, Berlin, The East Side Gallery, a 1.3 km long section of the Berlin Wall.

Germany, Berlin, The East Side Gallery, a 1.3 km long section of the Berlin Wall, Mural known as 'Save our Earth' by Artist Indiano.

Germany, Berlin, The East Side Gallery, a 1.3 km long section of the Berlin Wall, Mural called My God help me survive this deadly love, Soviet Premier Brezhnev kisses East German Chancellor Honecker.

Germany, Berlin, The East Side Gallery, a 1.3 km long section of the Berlin Wall, Mural known as ‘It happened in November’ by Kani Alavi.

Germany, Berlin, The East Side Gallery, a 1.3 km long section of the Berlin Wall, Mural called 'My God help me survive this deadly love' Soviet Premier Brezhnev kisses East German Chancellor Honecker.

Germany, Berlin, The East Side Gallery, a 1.3 km long section of the Berlin Wall, Mural known as ‘It happened in November’ by Kani Alavi.

Germany, Berlin, The East Side Gallery, a 1.3 km long section of the Berlin Wall, A mural by Georg Lutz depicts former Soviet leader Mikhail Gorbachev driving.

Germany, Berlin, The East Side Gallery, a 1.3 km long section of the Berlin Wall, Mural known as Save our Earth by Artist Indiano.

Germany, Berlin, The East Side Gallery, a 1.3 km long section of the Berlin Wall, Birgit Kinder's mural known as 'Test the Best'.

Germany, Berlin, The East Side Gallery, a 1.3 km long section of the Berlin Wall, Birgit Kinder's mural known as 'Test the Best' .

Germany, Berlin, The East Side Gallery, a 1.3 km long section of the Berlin Wall, Mural called Homage to the Young Generation by Thierry Noir.

Germany, Berlin, The East Side Gallery, a 1.3 km long section of the Berlin Wall, Mural known as Save our Earth by Artist Indiano.

Germany, Berlin, The East Side Gallery, a 1.3 km long section of the Berlin Wall, 'The Wall Jumper' by Gabriel Heimler.

Germany, Berlin, The East Side Gallery, a 1.3 km long section of the Berlin Wall, mural with the word Berlin prominently displayed.

Germany, Berlin, The East Side Gallery, a 1.3 km long section of the Berlin Wall, Mural by Jolly Kunjappu called 'Dancing to Freedom'.

Germany, Berlin, The East Side Gallery, a 1.3 km long section of the Berlin Wall, mural with the word Berlin prominently displayed.

Germany, Berlin, The East Side Gallery, a 1.3 km long section of the Berlin Wall, Wall paintings and signs advertising Souvenirs and Tourist Shop.

Germany, Berlin, The East Side Gallery, a 1.3 km long section of the Berlin Wall, Mural known as ‘It happened in November’ by Kani Alavi.

Germany, Berlin, The East Side Gallery, a 1.3 km long section of the Berlin Wall.

Germany, Berlin, The East Side Gallery, a 1.3 km long section of the Berlin Wall, Mural known as ‘It happened in November’ by Kani Alavi.

Germany, Berlin, The East Side Gallery, a 1.3 km long section of the Berlin Wall, Another colourful section.