From 'health hazard' to 'an opportunity to boost the national economy' - this is the broad range of speculations Ukrainian politicians are using to explain what can happen when Ukraine opens its doors to refugees from countries such as Syria.
Global Voices: How Ukraine is dealing with the European refugee crisis
Syrian refugees leave the makeshift camp of the Greek-Macedonian border near the village of Idomeni, on April 18, 2016, at the start of their journey back to Syria via Athens and Istanbul.
