And since a candle's burn rate is fairly consistent, they were often used to tell time--some candles even had hour measurements marked into the wax.

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Some held candles, shouting out their opposition to the restarting of nuclear reactors that were shut down after the Fukushima accident.

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Some lighted red candles or burned paper money to send children into the afterlife.

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Some people are reaching out across the Internet to light electronic candles of remembrance.

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Jokela High School was closed for the rest of the week, but some of the 460 students gathered there overnight and into Thursday, crying and lighting candles for the victims.

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Some people were clad in black, a symbol of mourning, but placards and banners about Neda and candles have not been seen.

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