The phrase "a line of flags" is correct and usable in written English.
It can be used to describe a series of flags arranged in a row, often for decorative or ceremonial purposes.
Example: "The parade featured a line of flags representing each country participating in the event."
Alternatives: "a row of flags" or "a series of flags."
Before the game, Villa's fans could be heard singing "sign them up" when a line of flag-waving mascots walked in front of their end.
When five or more flags are displayed in a line, two national flags should appear at both ends of the line (e.g., in a line of five flags, the national flag should appear as the first flag and the fifth flag).
When the flag is carried in a procession with other flags, should be either on the marching right (the flag's own right) or, if there is a line of other flags, in front of the center of that line.
He vexed the vestrymen of St . Pauls by hanging a line of American flags across the street from the museum to a tree in the churchyard.
But it will also require Nick to ignore a line of red flags — the car's been torched, a mysterious teenage girl is missing, the friend's father is satanic and probably a murderer — unseen since the Beijing Olympics.
In a line of many flags, moreover, most experience this reduced drag in turn, making the whole group more aero- (or hydro-) dynamic.Inverted slipstreaming of this sort could have some counterintuitive effects.
Updated at 3.03pm GMT 2.34pm GMT Russian lawmaker Alexander Chekalin adds a Crimea flag to a line of Russian regional flags in the Russian Federation Council building in Moscow, marking the region's accession to Russia.
The flags of Crimea and Sevastopol have been added to a line of Russian regional flags at parliament in Moscow.
Behind him, a line of snapping white flags approximated the location of the trenches from which, a century ago today, German soldiers launched the first successful — which is to say, the first deadly — poison-gas attack of the Great War.
As for Boris Johnson, the Labour MP Rupa Huc reminded Radio 4 listeners that the London mayor has a line of patter in "flag-waving piccaninnies" and "watermelon smiles".
