An aerial view of the Sand dunes at Sossusvlei in the Namib Desert in Namibia. December 5 marks World Soil Day, which was created in 2013 by the UN General Assembly to raise awareness of the importance of soil for the wellbeing of humans. The theme of World Soil Day 2018 is "Be the Solution to Soil Pollution" with celebration events to be held around the world. (Photos: VCG)

Danxia landforms of Zhangye in northwest China's Gansu Province are shown in this picture. December 5 marks World Soil Day, which was created in 2013 by the UN General Assembly to raise awareness of the importance of soil for the wellbeing of humans. The theme of World Soil Day 2018 is "Be the Solution to Soil Pollution" with celebration events to be held around the world.

An aerial photo shows orange, mandarin and lemon fields in Adana, Turkey. December 5 marks World Soil Day, which was creaated in 2013 by the UN General Assembly to raise awareness of the importance of soil for the wellbeing of humans. The theme of World Soil Day 2018 is "Be the Solution to Soil Pollution" with celebration events to be held around the world.

Dongchuan red land of southwest China's Yunnan Province is shown in this picture. December 5 marks World Soil Day, which was created in 2013 by the UN General Assembly to raise awareness of the importance of soil for the wellbeing of humans. The theme of World Soil Day 2018 is "Be the Solution to Soil Pollution" with celebration events to be held around the world.

Jingbian Bolanggu, which is famous for its red sandstones, is shown in this picture in northwest China's Shaanxi Province. December 5 marks World Soil Day, which was declared in 2013 by the UN General Assembly to raise awareness of the importance of soil for the wellbeing of humans. The theme of World Soil Day 2018 is "Be the Solution to Soil Pollution" with celebration events to be held around the world.

An aerial view of Anjihai Grand Canyon in Xinjiang Uygur Autonomous Region. December 5 marks World Soil Day, which was created in 2013 by the UN General Assembly to raise awareness of the importance of soil for the wellbeing of humans. The theme of World Soil Day 2018 is "Be the Solution to Soil Pollution" with celebration events to be held around the world.

A soldier is in the Afar Triangle, which is known for its sulfur pools and the minerals scattered in it, in northern Ethiopia. It is an active tectonic zone that produces varying landscapes and vivid colors. December 5 marks World Soil Day, which was created in 2013 by the UN General Assembly to raise awareness of the importance of soil for the wellbeing of humans. The theme of World Soil Day 2018 is "Be the Solution to Soil Pollution" with celebration events to be held around the world.

An aerial photo shows farmers harvesting wheat in east China's Shandong Province. December 5 marks World Soil Day, which was creaated in 2013 by the UN General Assembly to raise awareness of the importance of soil for the wellbeing of humans. The theme of World Soil Day 2018 is "Be the Solution to Soil Pollution" with celebration events to be held around the world.

An aerial photo shows rape flower fields in central China's Hunan Province. December 5 marks World Soil Day, which was created in 2013 by the UN General Assembly to raise awareness of the importance of soil for the wellbeing of humans. The theme of World Soil Day 2018 is "Be the Solution to Soil Pollution" with celebration events to be held around the world.