Firstly， insert a large circle and several other circles， arrange their positions at appropriate distances， and remove the circular lines. Taking office as an example， images can be arranged and filled with background colors in the following way.
来源：央视新闻客户端 春节期间，在山东淄博博山的红叶柿岩旅游区，传统非遗项目“打铁花”吸引了大批游客。1600℃的铁水被匠人猛力击打后飞向天空，形成十几米高的铁花雨，在夜空中绚烂绽放火树银花。铁水砸落在冰面，又溅起遍地金花，一场冰与火的视觉盛宴让观众叹为观止。
