A twisting column of flame arcs toward the sky during a 2006 wildfire in Los Padres National Forest near Castic, California.
2006年，加州卡斯蒂附近的洛斯帕德瑞斯国家森林公园旁卡斯蒂山火期间，旋转着的火弧冲向天空。
Now CASTIC is one of the most representational science education activities for all the students of senior elementary schools and secondary schools across the country.
是目前中国面向全体在校中小学生范围最广的具有示范性的全国青少年科技教育活动之一。
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