Mei Li:
Of the 37 venues used to host events at the 2008 Summer Olympics, how many new ones were constructed for use at the Games??
Shuai Zheng:
12
Mei Li:
In which Spanish city does a famous bull run take place in Italy??
Shuai Zheng:
pamplona
Mei Li:
What does the Mohs scale measure??
Shuai Zheng:
hardness of minerals