1. The topic of the above text is Vu Lan Festival.

2. Vu Lan Festival is considered as the second largest annual traditional festival of Vietnam right after Tet Holiday.

3. Vu Lan Festival takes place on the 15th day of the seventh month in Lunar Calendar.

4. A Buddha's disciple named Muc Kien Lien saw that his mother was suffering from hell's tortures.

5. ......Muc Kien Lien gathered monks and devotees and prayed with them for his mother's relieve.

6. Yes, it is.

7. This festival helps ancestor's lost souls find their way back to earth.

8. Peopel often visit pagodas and temples on Vu Lan Festival.

9. To worship ghosts and hungry spirits, people often offer food, clothes and other items, and release animals like birds or fish.

10. They give presents and flowers to their parents to show their appreciation and gratitude.