Gregory's Server
The calm surface of the water was intermittently disturbed by their oscillating motion, and the quietness of the anchorage disturbed by the occasional burst of hot air. Accompanying a handful of anchored sailing vessels were hot air balloonists that came from far-flung places unreachable by waterways.
The things you think about when you're becalmed waiting for wind.
And of course, they didn't have space or weight to spare for such things as velocipedes and dinghies, they had on board stilts that they use to get across shallow rivers and reach shore without getting wet!!