But how did ancient artists create prehistoric masterpieces on sheer cliffs today only accessible by sophisticated modern climbing equipment?

An extraordinary adventure, blessed by the Queen of England and the Tsarina of Russia.

My only knowledge of Russia came from Hollywood movies, James Bond films in particular - though I was aware that From Russia with Love was made back in 60s. 

Monument to Kate Marsden unveiled in Sosnovka village 123 years after she set out on her epic work.

New cities and industries could be created from construction of high-speed railway and motorway routes spanning whole of country.

Tsarist inmates and Gulag victims were notoriously transported like cattle in packed carriages. Now it's different, as our pictures show.

Pictured: the gleaming riches no-one was meant to see belonging to an ancient nomad potentate, and his queen...or was she his concubine? 

Worried about the rapid destruction of permafrost from global warming? Here's how you can counter it by restoring the woolly mammoth habitat.

Dating back 40,000 years to the Denisovan species of early humans, new pictures show beauty and craftsmanship of prehistoric jewellery.