Regular comments containing a link. At various forums with a good rating.
It is necessary to regularly publish the answers in the forums of travel subjects. The answers should refer to one of the sites. Forums should be working with real users who are looking for an answer to their question. The forum should be a good performance - PageRank, attendance, trust, the Google index. Each forum before publication should be agreed.
We look forward to long term cooperation, willing to give regular work.
Requirements: literacy, the ability to determine the quality of the site, the experience of similar work with examples. If you are a spammer - please do not disturb. We need only quality backlinks.