ĐỀ THI IELTS READING VÀ ĐÁP ÁN - The construction of roads and bridges
The construction of roads and bridges
Roads
Although there were highway links in Mesopotamia from as early as 3500 bc, the Romans were probably the first road-builders with fixed engineering standards. At the peak of the Roman Empire in the first century ad, Rome had road connections totalling about 85,000 kilometres.