International tourism has brought enormous benefits to many places. At the same time, there is concern about its impact on local inhabitants and the environment. Do the disadvantages of international tourism outweigh the advantages?

The graph demonstrates Britain's

number

of passenger transportation, railway routes from 1950 to 2004/5. Overall, Both national

rail

network

and London Underground had similar trends experiencing a dramatic decrease and

then

an increase. Whereas, the light

rail

and metro systems underwent a steady rise. The 3 line had fluctuations. At the beginning of the time period, the national

rail

network

had about 25% more passengers than the London Underground.

However

, in 1960 the

network

's

number

of passengers rose by about a 100, and the London Underground remained somewhat constant. From 1960 to 1980, the

number

of passengers was continually diminishing in the

network

and London Underground with about 650 and 500, respectively at the end of 1980.

In contrast

, in the

next

2 decades, the London Underground and the

rail

network

had an approximately similar upward trend with around 1100 and 970 respectively at the end of 2005.

On the other hand

, the light

rail

and metro systems consisted of about 50 passengers while slightly declining in

number

from the 1960s to 1980. After that,

however

, the light

rail

and metro systems had a significant rise to about 100 passengers. It later on decreased slightly, but afterwards, the

number

of passengers kept gradually inclining till the end of the time period.