An electrocardiogram - or ECG - is a simple and useful test which records the rhythm and electrical activity of your heart An electrocardiogram - or ECG - is a simple and useful test which records the rhythm and electrical activity of your heart
[el kas'tiÊo]), Spanish for the castle), also known as the Temple of Kukulcan, is a Mesoamerican step-pyramid that dominates the center of the Chichen Itza archaeological site in the Mexican state of Yucatan. YucatÃ¡n the building is more formally designated by archaeologists As Chichen Itza STRUCTURE. 5b18esearchers concluded that there must be an inner pyramid approximately 33 m (108 ft) wide, shaped similarly to the outer pyramid, with 9 steps and a height of 17 m (56 ft) up to the platform of the temple where the Chac Mool and the jaguar were found.
Mexico Cholula de Rivadavia. The largest pyramid, and the largest monument ever constructed, is the QuetzalcÃ³atl Pyramid at Cholula de Rivadavia, 101 km (63 miles) south-east of Mexico City. It is 54 m (177 ft) tall, and its base covers an area of nearly 18.2 ha (45 acres). Its total volume has been estimated at 3.3 million mÂ³ (166,538,400 ftÂ³)compared with the current volume of 2.4 million mÂ³ (84,755,200 ftÂ³) for the Pyramid of Khufu or Cheops.