The nearshore breakwater in Qingdao's Victoria Bay was covered with a thick layer of green algae on Wednesday, resembling a green coat after the tide receded. As summer temperatures rise, seawater temperatures have gradually increased, now reaching the optimal range for green algae growth. Some algae naturally attach to and grow on the breakwater, which is a normal ecological phenomenon. However, visitors should be cautious of slippery surfaces caused by algae-covered rocks when tide-pooling.
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