For instance, the winding Seine river is a main visual cue by day, but here the thin black line of the river is hard to detect until you focus on the strong meanders and the street lights on both banks.
Water users along the line of the river are protesting furiously.
This has been the line of the river ever since, known as St Augustine's Reach.
In response, Corbulo sent the legions IV Scythica and XII Fulminata to Armenia, while he detailed the three other legions under his command (III Gallica, VI Ferrata and XV Apollinaris) to fortify the line of the river Euphrates, fearing that the Parthians might invade Syria.
"We've been hearing that oil has been not only affecting water but also the lining of the river banks as it's coming down," Adamko said.
We can see the line of the Moonbah river as it gently snakes along the bottom of the ridge.
Looking from space, the eye is drawn to the grey-brown line of the Piray river and to the great patch of pink roof tiles.
This was subsequently moved back to the line of the Kupa river.
The 4e DI was ordered to hold the line of the Sambre river.
Hoffman said the U.S. could continue to support the YPG's offensive towards Afrin, beyond the limited help it gave them to retake a dam past Turkey's "red line" of the Euphrates river last year.
The concept of operations called for a significant blocking force to be inserted, with 4 RAR/NZ (ANZAC) deployed along the line of Suoi Ran river, A Squadron, 3rd Cavalry Regiment to their west and 2/8th Battalion, 3rd US Cavalry Regiment to the north-east.
