National Infrastructure: Start by Building the Great Wall

Suddenly, all of humanity was transported to another world. Rainforests, deserts, oceans, snowfields. Starting with just a hammer, everyone had to build houses and expand their territory. This was to defend against monsters and cannibals from the outside world. The larger the building, the more powerful the troops summoned. This allowed them to build villages and cities. Ye Ping, carrying the God-level Wonder System, traveled through time and space, and began by building the Great Wall! So, while others shivered in their stone houses, fearing the monsters from the outside world would break in, Ye Ping had already led 3,000 Qin warriors to garrison the Great Wall, slaying the tide of Taotie demons and officially establishing a nation! The Great Pyramid, the Hanging Gardens, Stonehenge, the Colossus of Apollo, the Colosseum. Legions of undead mummies, goblin planters, beast warriors, dragon riders... By the time others had finally built a castle, Ye Ping had already established an immortal dynasty, integrating nine god-level wonders and, with the power of God...