How to write the centenary birthday greeting of Hydrology?

1. Beautiful Qingchuan, my home, it's up to everyone to add color to her.

2.

Recalling the past, beside the learned stone, the grass and trees of my alma mater and the smiling faces of the teachers are vivid. In that green campus, we hold the blooming years in our hands and weave colorful life dreams.

3.

I witnessed the growth of my alma mater and participated in its construction. The alma mater is full of talents, and its teachings will never be forgotten. Celebrate the centenary of the school and sing with passion. Go forward with high morale, and * * * will go a long way!

4.

Today is the birthday of my alma mater, which has gone through an extraordinary period full of ups and downs and hardships in starting a business.