Ireland, County Kildare, Celbridge, Castletown House, Palladian country house built in 1722 for William Conolly, the Speaker of the Irish House of Commons.

Ireland, County Kildare, Celbridge, Castletown House, Palladian country house built in 1722 for William Conolly, the Speaker of the Irish House of Commons.

Ireland, County Kildare, Celbridge, Castletown House, Palladian country house built in 1722 for William Conolly, the Speaker of the Irish House of Commons.

Ireland, County Kildare, Celbridge, Castletown House, Palladian country house built in 1722 for William Conolly, the Speaker of the Irish House of Commons.

Ireland, County Kildare, Celbridge, Castletown House, Palladian country house built in 1722 for William Conolly, the Speaker of the Irish House of Commons.

Ireland, County Kildare, Celbridge, Castletown House, Palladian country house built in 1722 for William Conolly, the Speaker of the Irish House of Commons.

Scotland, Highlands, Rannoch, Railway station in moorland area with roof platform railway tracks and surrounding countryside under thick layer of snow.

India, Delhi, Portrait of two Sikh men one standing slightly behind the other with thick grey beards and wearing orange and purple turbans.

India, Delhi, Head and shoulders portrait of Sikh man with thick greying beard and moustache wearing purple turban.

Norway, Lofoten, Flakstadpollen, Rocky shore of fjord with Stortinden Mountain peak beyond. Snow patches lying in ravines and crevices of upper slopes and thick white cloud at peak.

Norway, Lofoten, Flakstadpollen, Rocky shore of fjord with Stortinden Mountain peak beyond. Snow patches lying in ravines and crevices of upper slopes and thick white cloud at peak.

Denmark, Nordjylland, Rabjerg Sand Dunes, North West Coast. Stretch of golden sand dunes with thick tussocks of grasses in foreground.

Scotland, Highlands, West, Ben More Forest and snow covered Assynt Mountains, 998 metres at highest point, above thick white cloud on skyline. View from Knockan Crag.

Mexico, Bajio, Zacatecas, Colourful houses clinging to the hillside below sky of thick, grey cloud.

France, Rhone-Alpes, Isere, Les Aiguilles. Limestone cliffs and towers south west of Col de Rousset in the Vercor region with thick white cloud and mist lying across lower slopes.

India, Uttarakhand, Hardiwar, Head and shoulders portrait of man with thick grey beard.

France, Ile de France, Paris, Aerial view over city and river through thick smog.

Russia, Moscow, Thick smoke from industrial chimneys hanging over the city at sunset.