Puentes hechos de pasto

Inka rulers led a huge empire with grand palaces. Artists made statues out of gold and silver. The Inka also made masterpieces out of grass. Their grass bridges crossed deep canyons and let soldiers and messengers travel around the empire. Learn about these engineering marvels with this STEAM book! Created in collaboration with the Smithsonian Institution, this Spanish book ignites a curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides...