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Syrian refugees queue up to register with the Greek authorities at Kara Tepe camp near Mytilini before then buying boat tickets and travelling on to Athens.

View of Mpoko IDP site where around 100,000 persons sought both refuge and security around the capital's international airport in late 2013.

Agila Saleh Essa Gwaider, Acting Head of State of Libya, addresses the general debate of the General Assembly’s seventieth session.

Mahmoud Abbas, President of the State of Palestine, addresses the general debate of the General Assembly’s seventieth session.

Orlando Bloom in a child-friendly space in Presevo, Serbia, on 30 September 2015.

A young girl and a family member seeking refuge in Europe, pictured near the town of Gevgelija, in former Yugoslav Republic of Macedonia.

UNICEF Goodwill Ambassador Orlando Bloom meets a little girl during a visit to a refugee and migrant reception centre near Gevgelija in the former Yugoslav Republic of Macedonia, at the border with Greece.

The Kyrgyz State Committee of National Security, in co-operation with the OSCE Centre in Bishkek and the Development Fund for spiritual culture "Yyman" held a one-day training course for media representatives on their role in reporting on countering violent extremism and international terrorism.

His Royal Highness the Grand Duke of Luxembourg has called on governments, given the scale of the refugee and migrant crisis, to “find common solutions and act in the longer term to tackle the root causes of the problems.”

The European Union (EU) as a whole is confronted with an ageing population. In 2014, the proportion of persons aged 65 or over reached 18.5% in the EU and it is projected to further increase in the future to almost 30% by 2080. In particular, the proportion of persons aged 80 or over among the total population is expected to more than double, from just over 5% in 2014 to more than 12% by 2080. This demographic trend confronts the EU with major challenges, notably regarding the economic situation and social inclusion of older people.