How Draw a diagram about Maya achievements with the most important at the top?

To create a diagram of Maya achievements, start with the most important at the top, such as their advanced writing system (hieroglyphics) and complex calendar systems. Below that, include major accomplishments like their impressive architectural feats (pyramids and cities), advancements in mathematics (the concept of zero), and significant contributions to astronomy. Make sure to use arrows or lines to connect related achievements, highlighting the interconnections among their cultural, scientific, and architectural innovations.