CLEAN: Tahrir square: a new capital for Egypt's protestors

The speaker expresses surprise and optimism about the people around them, emphasizing the invincible will of the people. They have been present for 14 days and are committed to staying until change is achieved. The square has transformed into a well-organized community with groups dedicated to various tasks, making it the best city in the world at the moment.

What activities or groups are mentioned in the text that contribute to the community?

In what way does the teacher describe the city they are in?