The line graph shows visits to and from the UK from 1979 to 1999, and the bar graph shows the most popular countries visited by UK residents in 1999.
Summarize the information by selecting and reporting the main features and make comparisons where relevant.
Write at least 150 words.
Nowadays environmental problems are too big to be managed by individual persons or individual countries. In other words, it is an international problem. To what extent do you agree or disagree?