has happened is that we again heard please more co operation and more european level and the european sky something to which have been made will prove helpful in the future
What has happened is that we have again heard pleas for more cooperation and more European-level coordination and the single European sky something to which references have already been made will prove helpful in the future.
has happened is that we again heard pleas more cooperation and more European-level and the European sky something to which have been made will prove helpful in the future.