On the horizon green hills marked the border with Thailand.

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What happened to this bright light on the green technology horizon?

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His neighborhood lies in a lush river delta framed by green hills on the horizon.

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The islets are uninhabited, acting like giant grey-green studs on the horizon.

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Around him, soft green hills stretch to the horizon, descending into cool glades crowded with broad-trunked, 400-year-old oak trees.

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