And Ms Banerjee seems to think the way to lure tourists to Kolkata is to paint every railing, kerbside, public urinal, roundabout and bridge in blue-and-white stripes.

ECONOMIST: Banyan

Red and white industrial rope light strands will grace the Canadian arch portion of the bridge, while red, white, and blue strands will grace the U.S. double-arch portion of the bridge.

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"When we topped the bridge and looked down and saw the sea of blue and the sheriff's deputies and Alabama state troopers on the other side of that bridge, then we immediately knew that there was a problem, " recalls Jimmie Wallace, one of the marchers.

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Obama was different: an African-American with a multi-cultural background who wanted to bridge the divide between red and blue America.

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In July, a Russian blue kitten was tossed from a car on the Verrazano Bridge and received media hoopla.

FORBES: The Ground Zero Kitten

As the queen's barge approached and Tower Bridge lifted in salute, red white and blue streamers were tossed from the crowd.

CNN: Eyes of world on spectacular Thames royal pageant

The road will cross a small stream and continue parallel to the stream for some time before the first blue cross appears on the side barrier of a small cement bridge.

BBC: Romania��s Prince Charles walk

Outside, a pool and pedestrian bridge interact with the river, and at night the pool erupts with blue flames as five "Fire Fountains" by Yves Klein roar into action.

WSJ: New Guggenheim: Art and Architecture as One | By Ada Louise Huxtable

For an unforgettable experience, take a night walk to the arched cave and waterfall at Natural Bridge under the western ramparts of the Springbrook plateau, which is alight with fairy-like blue-green lights given off by the millions of bioluminescent glow worms that line the cave roof and the steep earth banks along the rainforest path.

BBC: Exploring Queensland��s rainforest hinterland