But it has also tightened the rules to ensure only genuine applicants qualify and to protect national security.

But it has also tightened the rules to ensure only genuine applicants qualify and to protect national security.
The 30-metre-long vessel is currently undergoing conservation work that could take another decade to complete.
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Lviv’s mayor called Sławomir Mentzen a “pro-Russian politician with a Polish passport”.
The find mean that the Polish sites now rank among the most concentrated sources of meteoric iron artefacts globally.
Material published by the Russian security services contains numerous, glaring inaccuracies, notes the museum’s head of research.
“No one can quite say how or why this sword ended up there.”
The head of the the Institute of National Remembrance (IPN), Karol Nawrocki, is currently a leading presidential candidate.
Researchers believe the practice was likely carried out for ritualistic reasons rather than being necessitated by hunger.
The Home Army is believed by many historians to have been the largest underground force in German-occupied Europe.
The work will take place at a mass grave in a former Polish village located in what is now western Ukraine.
But the toymaker has received some criticism for naming her as Marie Curie, excluding the Polish surname Skłodowska that she used throughout her life.
Barbara Nowacka has apologised for the remarks, which she said were a “slip of the tongue”. But the opposition wants her to be fired.
Auschwitz, the largest Nazi mass extermination camp, was built in Poland by the German occupiers.
Stuart Dowell
Anna Odi, the daughter of two museum employees, has lived her entire life within the grounds of the former Nazi concentration camp.