Examlex
The United States leads the world in the use of technology to detect air pollutants.
Archaeological Work
The systematic study of past human life and culture by the recovery and examination of remaining material evidence, such as graves, buildings, tools, and pottery.
Tiered Platforms
Multi-level structures used in architecture and design to create distinct areas of elevation.
Olmec Heads
Large, carved stone heads from the ancient Olmec civilization of Mesoamerica, signifying significant rulers or deities.
Rulers
Individuals or governing bodies that hold the highest authority and governance over a nation, state, or community.
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