Narrow boats in a lock Narrow boats in a lock
Narrow boats on canal Narrow boats on canal
Closing lock gates Closing lock gates
Stretch of the canal Stretch of the canal
Swan resenting other canal users Swan resenting other canal users
Virginia inside the narrow boat Virginia inside the narrow boat
Looking from front of narrow boat Looking from front of narrow boat
Interior of narrow boat Interior of narrow boat
Power control Power control
Approaching lock Approaching lock
Entering lock Entering lock
Nearly inside lock Nearly inside lock
Lock full Lock full
Lock two thirds full Lock two thirds full
Lock one third full Lock one third full
Lock empty Lock empty
Leaving lock Leaving lock
Inside another lock Inside another lock
The tiller - like a swan The tiller - like a swan
The narrow boat glides on The narrow boat glides on