Planned play environments are important tourist destinations.

Which of the following statements regarding planned play environments is correct?

Some sociologists have attributed the success of theme parks to the fact that we no longer end to use work to determine 'who we are', but now answer questions of personal identity by 'how we entertain ourselves'.

The only difference between theme parks and traditional amusement parks is that the former has a theme to it$.$

The number of visitors to theme parks is estimated at $50$ million.

Theme parks are obtaining about the same share of this market as traditional amusement parks.