What is the great wall made of? china

Stone, brick, tamped earth, and wood

The Great Wall of China is a series of fortifications made of stone, brick, tamped earth, wood, and other materials.

judaism, christianity and islam, are all abrahamic religions and therefore have in common the hebrew idea of a single god which is the source of all morality. the idea of the covenant is only related to judaism, while dharma is a concept of indian religions and the four noble truths are basic principles of buddhism.