An estimated 10,000 climate change protesters have flooded the heart of Brisbane as part of a global day of action.
City traffic was brought to a standstill as motorists abandoned their cars to watch or honked their horns in support.
The gathering began at Queens Gardens park on George Street about 11am and finished with a march that engulfed the entrance to Parliament House.
By 3pm, large groups of activists were heading for home as dark clouds rolled in overhead and threatened to dampen the spirits of those who remained.
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