简约风飞机飞行航线矢量元素

minimalist illustration, main subject is an airplane and its flight path, airplane located in the upper right corner, flight path extends from the lower left to the upper right, forming a loop before going straight up, dynamic sense, blank background to highlight the subject, monochromatic color scheme, main color is gray, conveys the concept of flight and travel, gives a sense of movement and freedom, no text, sleek line design, modern and simple style