1.   Both startups are also keeping a wary eye on extreme-sports sites Bluetorch and EXPN, which focus on streaming videos of surfing competition and travel adventures.

2.   In the meantime, he was continually delayed and frustrated by airport snags that turned his original itinerary into a travel adventure.

3.   Of course, the whole journey was a wonderful travel adventure.

4.   The first is a straightforward and interesting travel adventure by a French ethnologist who has been roaming the remote mountains of the world for four decades.