In the 1920s airplanes loaded with electrified sand were piloted by military aviators who "attacked" the clouds in futile attempts to both make rain and clear fog.
18世纪20年代，军事飞行员驾驶着载满带电沙粒的飞机去袭击云层，尝试人工造雨并且清除雾层。
2
At dawn, three weeks before the winter solstice, the last tendrils of fog curled gray against the pinking sky over a sand dune on the eastern edge of the Namib Desert.
就在冬至前三周，晨曦时分，纳米比亚大沙漠的东边的沙丘上，最后一缕灰色的晨雾衬着粉色的天空蜿蜒屈曲。
3
Surface colors include mirror, sand, titanium and fog, up to your choice. special color may be provided according to your demand.