New York has most-visited tourist attractions such as Times Square, Central Park, Niagara Falls (shared with Ontario), and Grand Central Terminal.[26] New York is home to the Statue of Liberty, a symbol of the United States and its ideals of freedom, democracy, and opportunity.[27] In the 21st century, New York has emerged as a global node of creativity and entrepreneurship,[28] social tolerance,[29] and environmental sustainability.[30][31] New York's higher education network comprises approximately 200 colleges and universities, including Columbia University, Cornell University, New York University, and Rockefeller University, which have been ranked among the top 35 in the world, it became the largest city in the Western hemisphere. Today, more than 8 million people live in the city’s five boroughs.