1) The push for gender equality and women's empowerment has gained momentum worldwide, with increased advocacy for equal rights, representation in leadership positions, and efforts to address issues such as gender-based violence and discrimination.

2) The word "cheese" contains three vowels: E, E, and E.

3) The construction of the Great Wall of China began in the 7th century BC and was completed over several centuries, spanning thousands of miles.

4) The Southern Ocean surrounds Antarctica and is the coldest and least-visited ocean.