Wasp photographed climbing on the outside of a dirty window , side-lit by late afternoon sun , against a clear sky and forest treeline .
拍攝了一只黃蜂的照片,它爬在一扇骯臟窗戶的外面,傍邊照著傍晚的太陽,背著晴朗的天空和森林的樹木線。
New tests by gutmann indicate that a laser instrument installed high above treeline in the rocky mountains west of boulder can measure 10 feet or more of snow with an accuracy as fine as half an inch or better .