Tikal, an ancient Maya city in what is now northern Guatemala, is one of the largest political, economic and military centers of the pre-Columbian Maya civilization. The metropolis was inhabited from the 6th century BCE to the 10th century CE, and had a population of up to 90,000 people in its heyday. A large reservoir called the Corriental reservoir was an important source of drinking water for the city. A team of archaeologists from the University...
