In early December 1891, Dr. James Naismith,a physical education professor of Springfield College ,was trying to keep his gym class active in a rainy day. He found a vigorous indoor game to keep his students taking some excises during the long winter in new England . This game is now known as basketball . When we talk about basketball ,Boston must be mentioned. Boston, the capital and largest city of Massachusetts , also the largest in New England. The city is located in the northeastern Atlantic coast, was founded in 1630, the nations oldest and one of the most cultural value of the city.and the its team, Boston Celtics, also has a long history. In 1946, 11 ice hockey big boss discussed to set up a new basketball league, called BAA . The Celtics is one of the first 11 teams.Because there are many Irish immigrants in Boston, most of which are Celtic, so the team is called “ Celtics“.This is the logo of Celtics:Shamrock is sign and symbol of Irish and Celtic,having some religious significance.this building is their home court named TD Bank north Garden.The boys of the boston Celtics is always the tough guys.as the words in their dressing room ,what hurts more,the pain of hard work or the pain of regret .Because of that,the team alway made miracles and Its never short of legends in the history of Celtics.Celtics have won 17 NBA Championship, Which are the most in NBA.During the 1959-to-1966 ,Celtics dominate the NBA Championship,which is the longest consecutive championship.On June 17, 2008, the Boston Celtics won their 17th championship, beating the Los Angles Lakers 42 in the 2008 NBA Finals.And those are the heroes of boston in the history. When it comes to basketball culture ,New York must be the most important station.In New York, people are willing to choose playing basketball in the outdoor fitness, the famous basketball resort Rucker Park is situated in 155th street in Harlem, adjacent to Fred, Douglas avenue, Rucker is not a general sense of park, it is like the mecca of basketball world.for the people interested in basketball culture ,the black culture and even the America culture,This is the place where you have to go.here even some NBA superstars like Kobe Bryant should also keep modest.In addition to these, we have to talk about the huge sport business market in New York, it is well known that New York is the largest city in the United States, known as the center of the world, for many NBA players,of course, this is a huge, inviting stage, every player wants to prove himself to the world through the big apple city, when you ask them, what do you think of New York, they may say, oh, my god, I want to play ball there and I will get my name.(win reputation)Knicks isnt a strong team in history,but it is absolutely a star-studded team,Patrick Ewing,Allan Houston Carmelo Anthony,the new york fans are the most critical in the league ,although playing in new york is full of opportunities,you will also bear great pressure at the same time the basketball doesnt become really popular around the world before a young guy coming to the NBA.this man is Micheal Jordan from Brooklyn of NEW YORK ,he is best known athlete in the world. In the windy city ,he gave this kind of sports unprecedented influence around every corner of the world.He is, by far, he best player in the history of the game.He is the master of masters, known as the Gods wears NO.23 .His impact cover any one of the big Hollywood star.Jordan led the Chicago bulls to get six NBA championship, created their own basketball dynasty.makes the chicago bulls became the most famous team of NBA.The impact of Michael is not only the basketball ,outside the court ,jordan is everywhere, we can find the jordan in the street, in the cartoon ,movie ,and even in the Chinese talk show .and even the shoes of him become the fashion .So after the retirement of the greatest athlete,people made a bronze statue in front of United Center in memory of Micheal Jordan.I think aj not only change the basketball ,but also change the world!This is my talk ,thank you for watching!