However, if it is the author's own landscape map, and the author clearly States in the article that it is not allowed to copy other works or use his landscape materials without authorization, then you can't use other people's materials.

Because it belongs to other people's intellectual property, if you use it without others' permission, it is infringement. But if he doesn't specify, if you use landscape materials in the software, it's not infringement.

Domestic video material, here refers to the domestic website can be obtained. And our most common operation is directly on the major video platforms, simple and rude! You can segment a series of videos by searching for keywords. If you want to be accurate and look for high definition, you may need to go to a special material website.

Video material website:

Common ones are Tencent Video, Iqiyi, Youku, and Little Broken Station. This may be a familiar video website. There are many videos in it, which can be used for our reference. Of course, we should pay attention to the video copyright when using it. If it is used for commercial purposes, it is really important to avoid infringement!