The passport-free Schengen area, often criticised as opening the doors to migrants, now makes for smoother trips.
In the next few weeks Bosnians and Albanians are expected to be granted visa-free travel to Europe's Schengen area.
ECONOMIST: Hillary Clinton flies in to bump a few heads together
But the row could hinder its attempt to be granted visa-free travel within the Schengen area of 25 European countries.
ECONOMIST: A row over alleged election fraud has paralysed Albania
One in 17 applications to visit the Schengen area is rejected.
Poland has been in European Union's passport-free Schengen area since 2007.
In short, frontier controls are indeed disappearing inside the Schengen area.
MEPs are angry that home affairs ministers agreed on 7 June to change the legal basis of the Schengen area, thus removing MEPs' powers to monitor borders.
The European Parliament has suspended talks with the Council on five draft laws in protest at being excluded from decisions on the Schengen area of border-free travel, its president has said.
But Italy had already issued national residence permits to the migrants, perhaps hoping they would exploit the passport-free Schengen area to slip across to countries like France, where many Tunisians have family.
Kosovo is seen to have made only limited progress, although there is a chance its government may soon start talking to the EU about visa-free access to the 25-strong Schengen area later this year.
The men may already have left Denmark as their visas allowed them to travel within the 15 European countries in the Schengen borderless travel area, Danish immigration authorities say.
One common worry is that it may damage their chances of joining either the Schengen passport-free area, or the euro, or both.
Concern about corruption in Romania led northern European countries last year to block the country from joining the European Union's Schengen passport-free area.
It got its budget rebate, stayed out of the Schengen free-travel area, opted out of the euro, stayed half-out of co-operation on judicial and police affairs and is blocking attempts to create stronger common defence and foreign policies.
In September 2010, the EU again called on Bulgaria to take urgent action to tackle crime and corruption, and later in the year France and Germany announced that they would block Bulgaria from joining the Schengen passport-free zone until the country had made "irreversible progress" in this area.
应用推荐