英语阅读回答问题：Answer the questions.
  The London Eye is famous,not only in London,but also in the world.It was opened in March 2000.The wheel is a metaphor for the turning of the century.
  The London Eye is 135m (443ft high) and weighs 2,100 tones.There are 32 capsules attached to the wheel which travels at a speed of 26cm per second.Every time you can take 30 minutes in the capsule and enjoy the beautiful views in all directions.
  This is one of the UK's most popular places,visited by over 3.5 million people a year.They all enjoyed visiting there very much.The London Eye is not far from several underground stations including Waterloo,Embankment,Charing Cross and Westminster.Waterloo is the closest tube station.
When was the London Eye opened?
  2.How tall is the London Eye?
  3.How many visitors visit the London Eye every year?
  4.How long can a wisitor stay in the capsule?
  5.What underground station is the closest tube station?