But the flow of visitors is growing.
Morgan could hear the sluggish flow of the Silver River grow nearer.
Over the post-war period the flow of direct investment out of and into the UK has grown.
As the flow grows, volcanic material spills into a stream valley north of the volcano, covering the valley floor with dark debris.
After it became widely known that a verdict was indeed coming, with television commentators speculating what it might be, the flow of buy orders grew heavier.
As this flow of money - potentially uncertain and volatile - out of Japan has grown, so has the fear that something could disrupt it.
The flow of inaccurate information from Iraqi officials to the public has also grown in recent days.
Disney expects the annual flow of visitors to its Paris parks to reach as high as 17 million, and to grow ever more international.
His flow of selnarm shut down almost entirely as his rage and fear grew.
Even as she watched, the flow grew slower still and then stopped.