What is the propylaia on the acropolis?

Why are there rocks on Top of some headstones in Arlington? List the scavengers for the temperate forest? Does the Amazon River have transportation? Does hares live in the Amazon rainforest? Can you carry sand crabs on your body? What river was explored by the Spanish? What is the preposition in this sentence Rubber plants grew in the rain forest? How tall is the Lincoln monument? What is beach front development? What is the source of Sutlej river? What features on this map likely contributes most to the arid climate golbi desert? When was George Washington carved on Mount Rushmore? Where is the Mount Horeb Historical Society Inc in Montgomery City Missouri located? Blyth lies on which river? Is Quesnel Lake the deepest lake in North America? Have you ever seen sand sculpture many people are fond of building them? What zone is almost totally dark? Which tribe resided in north Mississippi with their villages centered between the Yazoo River and the Tombigbee River near present-day Tupelo? Who owns all national parks. If the U.N. owns most of the national parks who owns the rest? What 10 countries have coral reefs?