Which preposition to use with tourism

in Occurrences 2%

However, I had the authority to go to press with quotes throwing into question the viability of luxury tourism in a land where the season lasts little over four months slightly dampening the gushing tone of the article.

from Occurrences 1%

Although the vast Deadly Desert Around Oz aptly prevents tourism from abroad, those who are fortunate enough to live on the proper side of this sandy enigma will surely testify that the land is as no other.

Which preposition to use with  tourism