1. Turn on your device player, such as mobile phone or computer.

2. Open the required video or audio resources and start playing.

3. If the player supports background playback, you can directly return to the main screen of the system or open other applications when playing, and the video or audio will automatically go to the background to continue playing. Liaocheng is located in the northwest of Shandong Province, China, at the intersection of Beijing-Tianjin-Hebei and Lu Yu Economic Zone, near the Yellow River, with beautiful mountains and rivers and unique natural scenery.