Interesting led for tourist guides

Well, I had to share this new piece of data with you. Not only is OurExplorer getting 4,000 unique hits per month ahead of expectations - but the most tourist guide bookings are coming from Cruise websites and people on Cruises booking things to do at their next city stop.

Really exciting for a person on a cruise to know the wisdom of a tourist guide awaits for them and enhances the whole travel experience!
Any more ideas where tourist guide can get large booking numbers from?