Very well written.
If you are preparing for an essay on this topic then its ok, otherwise divide it into headings, which can be, introduction, origins of the crisis, overview of refugee-producing countries, host countries, routes, legislations, turkey and EU deal over refugees, risks, challenges, effects(xenophobia,worldwide right wing popularity, stricts borders), suggestions followed by a conclusion.
Make a map of eastern europe and mark the relevant routes and destinations of refugees. You can find the charts in the link below.
http://america.aljazeera.com/watch/s...nt-crisis.html
You can also add UNHCR and its role. The 1951 refugee convention can also be quoted.