It was Circa 30 AD in Rome. Royal physicians have asked the ailing Emperor Tiberius to eat cucumber every day. And thus began the construction of Specularium by the royal gardeners to grow medicinal plants, herbs and cucumber among them. Painstakingly built with translucent sheets of mica that allowed sunlight inside, the gardeners maintained roaring fires outside the walls of Specularium to heat the inside. Ruins of Specularium Today They used to plant cucumbers in wheeled carts, which were left out in…