爱沙尼亚摄影师KaidoHaagen拍摄的一只灰白色海豹从水底植物"云朵"中探头照片获得最佳图片。
Photograph by Kaido Haagen, A gray seal pokes its head through "clouds" of plant life in a winning picture by Estonian photographer Kaido Haagen.
当水面上大量爆发的浮游植物触发产生大量的有机物质，而这些有机物质随后下沉到水底的时候，死亡带就形成了。
Dead zones form when big blooms of phytoplankton at the surface trigger large quantities of organic matter, which then sink to the bottom.
水底深处有美丽的树木和植物。
天空是湛蓝的，水是澄清的，你可以清晰的看到鱼儿在水底游来游去，那里的植物生长茂盛。
The sky is blue and the water is clean. You can clearly see fish swimming in the rivers. Plants grow very well.
天空是湛蓝的，水是澄清的，你可以清晰的看到鱼儿在水底游来游去，那里的植物生长茂盛。
The sky is blue and the water is clean. You can clearly see fish swimming in the rivers. Plants grow very well.
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