The red background color is a traditional festive color in China, and it is also an eye-catching warning color in traffic facilities, which can play a prominent role; Secondly, it takes the city wall as the basic shape, and white and red are also color contrasts.
The outstanding collocation also symbolizes that the subway is a public facility, pure and free of impurities. The outer side is in the shape of a wall stack, and the inner ellipse represents both the gate of the wall and the shape of the subway tunnel.
Gong * * * forms an M-shape, which is also an internationally recognized symbol of Metro. Its smooth lines also symbolize the smooth operation of the subway. In addition, this work is similar to the symbol "China Seal" of the 2008 Olympic Games.
It is the same to some extent, reflecting the memory of history.