In the earlier times, the 照片 were clicked in front of the painted backdrops 展示 trees 或者 park 或者 anything else. It didn’t give real effects. To give real effect, the 照片 had to be taken at actual locations. This was very difficult, as the photographer had to 移动 to outside locations and set up his equipment like umbrellas, lights and all. Nowadays, real effect can be 给 to the 照片 without moving to actual outside locations. For this, the photographers nowadays have digital cameras & green screen kit. This kit is employed in 摄影 using green screen technique.
Green...
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