The UNHCR describes relations between the foreigners and the people of Calais as "tense".
The Calais basin is one of three mining sites that made the list this year.
It said Barco de Vapor wanted to carry livestock transporter vehicles to and from Calais.
Eurotunnel also said its Channel Tunnel shuttle train services between Folkestone and Calais were running normally.
From Calais they will drive to the start of the classification legs at Valence.
The Port of Calais is closed and passengers have been advised not to travel there.
The Nord-Pas de Calais Mining Basin has been designated a World Heritage site by the U.N.
Similarly, wine and beer bought in Calais is roughly half to two-thirds the British retail price.
DC4s to take passengers and cars from Southend, which the big carriers did not use, to Calais.
Its vessels had carried more than 3.5 million passengers a year on the Dover to Calais route.
The taps were removed after Calais city workers left a note asking their owner to take them away.
We are going to see if we can get a bus to Dover and a ferry to Calais.
They took the Eurotunnel to Calais before completing their 600-mile trip by coach.
"Our British partners must commit themselves more actively in the reinforcement of checks and security at Calais, " he added.
Mr Besson is due to meet the Mayor of Calais, Natacha Bouchart, and representatives of migrants' welfare organisations, later.
In eastern Maine, taps showed up in trees at a cemetery in Calais.
Passengers slept in their couchettes as the carriages were rolled on and off the boat at Dover and Calais.
ECONOMIST: For some, France is still on the other side of the earth
Sussex Police said she was spotted later using a Dover to Calais ferry.
Mr Melenchon says he will stand in the working-class town of Henin-Beaumont, near Calais, where Ms Le Pen resides.
But that accepted, you can argue that if immigration is a problem, Calais is responsible for nearly 70% of it.
University officials in Manchester are investigating an alleged drunken fracas on a ferry to Calais involving up to 200 students.
Dover Labour councillor Ben Barno said the new centre would give a "modicum of human dignity" to rough sleepers in Calais.
BBC: NEWS | UK | England | Kent | MEP backs Calais migrant centre
Calais' "jungle" has replaced official refugee centres like the now-closed Sangatte as a gathering point for migrants hoping to cross to Britain.
After the Games, cross-channel ferry operators will be providing full service to multiple destinations in France, such as Calais and Le Havre.
If Calais is the gateway to Eldorado, he wants those in that "golden" destination, to translate the Spanish term, to chip in.
The firm owned three of the four ships it ran across the Channel, which have been tied up in Calais since January.
These ships now operate between Dover and Calais under the MyFerryLink brand.
BBC: Eurotunnel purchase of Sea France ferries faces inquiry
Now they want to own the French ports of Calais and Boulogne.
It will mean extra disruption for travellers already facing chaos because of a 24-hour strike by French dockers at the port of Calais.
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