What is the difference between the vertical version of the map of the People's Republic of China and the old version of the map of China?

The difference between the vertical version of the map of the People's Republic of China and the old version of the map of China is:

The aspect ratio of the vertical version of the map has become larger, and the biggest difference with the old version is that the thumbnail of the South China Sea, which was originally displayed in the lower right corner, is fully displayed, which comprehensively puts China's land and sea borders into the map.

In order to strengthen the country's sovereignty consciousness, Hunan Map Publishing House launched a vertical version of the "Chinese People's Republic of China" in March 2013, for the first time the South China Sea islands and the mainland on the same scale, a panoramic display of China's land and sea boundaries, to safeguard the rights and interests of China's oceans and seas to provide a more intuitive and powerful evidence for readers to give the reader a more complete, intuitive concept of China's maps.

The full map is as follows: