About Theme Water is one of the most widely distributed substances to be found in the natural environment and constitutes the earth’s oceans, seas, lakes, rivers and underground water sources. The total amount of water on Earth is approximately 1.4 billion cubic kilometers. Although 75% of the Earth is covered by oceans in the form of sea water, only 2.5% of all water on Earth is fres ...
發布單位：BOLU INTERNATIONAL POSTER DESIGN EXHIBITION
2021 2nd BOLU INTERNATIONAL ART HALL INTERNATIONAL POSTER DESIGN COMPETITION Deadline: September 15, 2021. An ecosystem includes all living things (plants, animals and organisms)
