Making the news this week: drug smugglers, a hot air balloon travelling up the Thames and an ancient lavatory

In this week’s roundup of the world’s best boating photos , we have drug smugglers, a hot air balloon travelling up the Thames and an ancient lavatory.

Head to our gallery to see all the photos, and check out previous weeks’ best boating photos .

While you’re at it, have a look at this week’s spot the difference challenge .