Maya waterbeds are a type of ancient water management system used by the Maya civilization in Mesoamerica. These waterbeds were constructed by the Maya to capture and store rainwater for agricultural purposes. They consisted of raised beds with channels and reservoirs designed to collect and retain water for irrigation during the dry season. The Maya waterbeds were an innovative and sustainable method of water management that allowed the civilization to thrive in a region with limited water resources. **

The Maya year is a calendar system used by the ancient Maya civilization. It consists of 18 months, each with 20 days, for a total of 360 days. To complete the year, the Maya added a five-day period called the "wayeb" at the end of the calendar. This resulted in a 365-day year, similar to the modern Gregorian calendar. The Maya year was an essential part of their culture and was used for agricultural, religious, and ceremonial purposes. **

The name of the song with the lyrics "Maya hi, Maya hu" is "Dragostea Din Tei" by the Romanian pop group O-Zone. The song was a major hit in 2003 and gained international popularity, especially with its catchy chorus and upbeat melody. It became a dance anthem and is still widely recognized and enjoyed today. **

Yes, GF (Gluten-Free) can be considered contemporary as it has gained popularity in recent years due to an increased awareness of gluten sensitivities and celiac disease. Many contemporary food products and menus now offer gluten-free options to cater to this growing demand. Additionally, there are many contemporary chefs and food bloggers who specialize in creating delicious gluten-free recipes and dishes. Overall, the focus on gluten-free options in the modern food industry makes GF a contemporary dietary choice. **

Geometric patterns are repetitive designs or motifs that are created using geometric shapes such as lines, circles, triangles, squares, and other geometric elements. These patterns can be found in various forms of art, architecture, textiles, and nature. Geometric patterns are characterized by their symmetry, order, and precision, and they are often used to create visually appealing and harmonious compositions. **

Geometric quantities are measurements or properties of geometric figures or shapes. These quantities can include length, area, volume, angles, and curvature. They are used to describe and analyze the characteristics of geometric objects in mathematics and physics. Geometric quantities play a crucial role in various fields such as engineering, architecture, and computer graphics. **

The Maya pyramids were built over a span of several centuries, starting around 1000 BC and continuing through to around 900 AD. The construction of these pyramids was a gradual process, with different structures being built and rebuilt over time. The Maya civilization reached its peak during the Classic period (250-900 AD), when many of the most famous pyramids, such as those at Tikal and Palenque, were constructed. **

The decline of the Maya civilization is believed to have been caused by a combination of factors, including environmental degradation, warfare, and drought. The Maya cities were abandoned around the 9th century, possibly due to a series of prolonged droughts that led to food shortages and social unrest. Additionally, constant warfare among city-states may have weakened the civilization, making it more vulnerable to collapse. The exact reasons for the extinction of the Maya civilization remain a topic of debate among historians and archaeologists. **