After negotiating their way down a series of steps carved into the steep rock face, explorers of the Blue Lake Grotto are faced with a deceptively deep pool of limpid blue-green water.

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The centerpiece of the property is an enormous pool lined with blue iridescent glass-mosaic tiles, with lush sea-grape trees at each corner.

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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.

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