Which ancient civilization built the world's first known large-scale shopping complex, featuring over 150 standardized shops arranged in a grid layout?

Before modern malls and online shopping, ancient civilizations developed sophisticated retail systems. From Mesopotamian bazaars to Roman shopping complexes, the foundations of retail were established thousands of years ago. This poll explores how ancient civilizations structured their retail environments and created shopping experiences that would influence commerce for millennia to come. Test your knowledge about the world's earliest retail innovations!

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Roman Empire (Trajan's Market, 2nd century CE)
Ancient Egypt (Karnak Marketplace, 1500 BCE)
Indus Valley Civilization (Mohenjo-daro Great Hall, 2600 BCE)
Ancient Greece (Agora of Athens, 5th century BCE)