Researchers have discovered the world’s largest spider web in a cave straddling the border between Albania and Greece, measuring about 1,140 square feet. This enormous web is home to around 111,000 spiders, including two species that typically compete for resources: Tegenaria domestica, the barn funnel weaver, and Prinerigone vagans. Surprisingly, these spiders coexist peacefully in this dark environment, likely because the lack of light prevents them from recognizing each other as prey and predator. The cave, known as Sulfur Cave, was formed by sulfuric acid from groundwater and maintains a steady temperature of around 80 degrees year-round. An impressive food source of over 2.4 million midges supports the spider population. Researchers noted that the spiders in the cave exhibit genetic differences from their counterparts outside, indicating they have adapted to their unique environment. The web itself is described as soft and spongy, comprised of multiple individual funnel-shaped webs that shimmer when illuminated, creating a striking visual effect.