How many people go to the acropolis every year?

What is the area of Seven Seas Marine Life Park? Why are they called Terracotta Warriors? What ship was used in first scientific exploration of the ocean in 1872? How many national parks does Massachusetts have? Name nine pairs of states of the US between which the Mississippi River forms a state boundary? How did the moat keep the enemy from entering the castle walls? Name the trees found in abundance in ganga brahmaputra delta? What is Sieur De La Salle's character trait? Why is the PH of water entering a wetland different from that leaving a wetland? Why is the Salmon river called the river of no return? How big is the River Thames in London? Which river flows through the English town of Newcastle? What space shuttle crew is honered by a memorial in Arlington national cemetery? What canal would you use to go from the Alanitic to the Pacific ocean? Has the sphinx ever been moved? Are the Mojave Desert and the Colorado Desert low deserts or high deserts? Did anyone die in the pacific ocean? What is the Britain's second largest city by population? What is a long stretch of flowing water? What island did immigrants arrive in 1880?