1 “...Ecological protection and high-quality development in the basin of the Yellow River, known as China...”

2 Subjects: “...historical buildings protection...”

3 Subjects: “...protected areas...”

4 Subjects: “...protection motivation theory...”

5 “... and Poland. In addition, one chapter is dedicated to grassland protection in mountainous areas....”

6 “...The protection and maintenance of environmental resources for future generations require...”