1.   Chinese cultural life also led immigrants to bond, the documentary explains.

2.   For the Bush administration, the documentary explains, relations with China polarize two Republican constituencies.

3.   The documentary also explains an amazing tracking shot of a woodcutter entering the forest.

4.   The documentary also explains what motivated these artists to get on the single-engine plane that took off in a snowstorm.

5.   The documentary explains the political maneuvering that saved New Orleans, by washing out her smaller neighbors.

6.   The documentary explains the context.