The fastest growth has been Asian tourism, which HAS almost DOUBLED in the last twenty years.
.. almost doubling ..
Around a billion people WHO ARRIVE in a foreign country annually travel for tourism purposes
... arriving ...
Technology will reduce flying times, which WILL CUT the flight from LA to Sydney to two hours
... cutting ...
Hotels WHICH HAVE BEEN RATED as seven-star will become more common.
... rated ..
BECAUSE IT HAS a negative effect on the environment, air travel will need new forms of fuel.
Having .....
Europe still has the most visitors and IT ATTRACTS around 500 million a year
...attracting ..
Because IT BRINGS in almost a trillion US dollars, tourism is a globally important industry.
.. bringing ..