As I search for them, I see a downy woodpecker spiraling up a birch tree, its blaze of reds as sharp as a tongue of flame.

我四处查看，发现了一支身披厚厚羽毛的啄木鸟正沿着白桦树盘旋上升，它那鲜红的色彩宛如跳跃的火焰。

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Frail and weedlike, a single vine spiraling up a structure can be ugly and tempting to rip down.

FORBES: Vines Are Best Watched Together

For the past couple of years, business was getting tougher and more competitive, traffic was getting worse, and the cost of living was spiraling up.

FORBES: 12 Life-Changing Tales

The speed of attack and response is spiraling up.

FORBES: Connect