Nepal, Kathmandu, Close-up of pair of eyes and 'nose' on one of the faces of the Great Stupa's steeple; the nose is, in fact, the Nepali number 1.

Nepal, Kathmandu, Top of the Great Stupa, glowing at dusk, showing the mass of multi-coloured Buddhist prayer flags hanging from it and two pairs of its eyes.

Nepal, Kathmandu, The Great Stupa surrounded by the buildings of Bodhnath, with Himalayan foothills in the distance.

Nepal, Kathmandu, Close-up of a pair of eyes and 'nose' on the steeple of the Great Stupa. The nose is the Nepali symbol for the number one.

Nepal, Kathmandu, Close-up of pair of eyes and 'nose' on one of the faces of the Great Stupa's steeple; the nose is, in fact, the Nepali number 1.

Nepal, Kathmandu, Face on mini stupa next to the Great Stupa close-up in foreground, with prayer flags and buildings in background, one with sign for Japanese restaurant.

Nepal, Kathmandu, The top of the Great Steeple covered with resting birds, glowing at dusk, and showing two pairs of eyes and a mass of multi-coloured, Buddhist prayer flags.

Nepal, Kathmandu, Long-exposure of the Great Stupa illuminated at night in celebration of a full moon, showing blurred Buddhist prayer flags.

Nepal, Kathmandu, The Great Stupa seen at night, framed by Buddhist prayer flags and decorated with multi-coloured lights in celebration of a full moon.

Nepal, Kathmandu, Night view of the Great Stupa and a mini-stupa in front of it decorated with coloured lights in celebration of a full moon.

Nepal, Kathmandu, The Great Stupa at night, decorated with coloured lights in celebration of a full moon.

Nepal, Kathmandu, Long exposure showing blur of people walking round the Great Stupa at dusk.

Uzbekistan, Bukhara, Outer walls of the Ark Fortress, Registan Square.

Uzbekistan, Bukhara, Entrance, outer walls and viewing gallery of the Ark Fortress, Registan Square.

Uzbekistan, Bukhara, Entrance, outer walls and viewing gallery of the Ark Fortress, Registan Square.

Uzbekistan, Bukhara, Entrance of the Ark Fortress, Registan Square.

Uzbekistan, Khiva, Kunya Ark, also known as Kohna Ark, housing Museum of Ancient Khorezm, Ichan Kala.

Uzbekistam, Khorezm, Toprak Kala Fortress, Ellik Kala.

Uzbekistam, Khorezm, An ancient wall at Ayaz Kala Fortress 1, Ayaz Kala.

Uzbekistam, Khiva, Akshi Bobo, a tower of Kunya Ark, on left, and outer wall of Ichan Kala.

Uzbekistan, Khorezm, Ayaz Kala Fortress 2, photo taken from Ayaz Kala Fortress 1, Ayaz Kala.

Uzbekistan, Khorezm, Ayaz Kala Fortress 1 above and Ayaz Kala Fortress 2 below, Ayaz Kala.

Turkey, Ayasuluk Castle on Ayasuluk Hill behind the ruins of Saint John’s Basilica, Selcuk, near Ephesus.

England, County Durham, Durham, The Keep, Durham Castle.