People celebrate Valentine's Day across world

A flower stall owner selects flowers for customers on Valentine's Day in Tunis, Tunisia, on Feb. 14, 2024. (Photo by Adel Ezzine/Xinhua)

A flower stall owner selects flowers for customers on Valentine's Day in Tunis, Tunisia, on Feb. 14, 2024. (Photo by Adel Ezzine/Xinhua)

People select flowers at a flower stall on Valentine's Day in Tunis, Tunisia, on Feb. 14, 2024. (Photo by Adel Ezzine/Xinhua)

A woman holds a flower on Valentine's Day in Cairo, Egypt, on Feb. 14, 2024. (Xinhua/Ahmed Gomaa)

A man sells heart-shaped balloons on Valentine's Day in Cairo, Egypt, on Feb. 14, 2024. (Xinhua/Ahmed Gomaa)

A man holds a bouquet of roses on Valentine's Day in a shop in Baghdad, Iraq, Feb. 14, 2024. (Xinhua/Khalil Dawood)

A vendor displays a bouquet of roses in his shop on Valentine's Day in Baghdad, Iraq, Feb. 14, 2024. (Xinhua/Khalil Dawood)

A man holds a bouquet of roses on Valentine's Day in a shop in Baghdad, Iraq, Feb. 14, 2024. (Xinhua/Khalil Dawood)

A couple attend a wedding ceremony in Times Square on Valentine's Day in New York, the United States, on Feb. 14, 2024. (Xinhua/Liu Yanan)

A couple attend a wedding ceremony in Times Square on Valentine's Day in New York, the United States, on Feb. 14, 2024. (Xinhua/Liu Yanan)

A couple embrace each other at a wedding ceremony in Times Square on Valentine's Day in New York, the United States, on Feb. 14, 2024. (Xinhua/Liu Yanan)

African penguins carry a heart-shaped valentine during an annual tradition of "valentine's day for penguins" at the California Academy of Sciences in San Francisco, California, the United States, Feb. 14, 2024. (Photo by Li Jianguo/Xinhua)

An African penguin carries a heart-shaped valentine during an annual tradition of "valentine's day for penguins" at the California Academy of Sciences in San Francisco, California, the United States, Feb. 14, 2024. (Photo by Li Jianguo/Xinhua)

An African penguin carries a heart-shaped valentine during an annual tradition of "valentine's day for penguins" at the California Academy of Sciences in San Francisco, California, the United States, Feb. 14, 2024. (Photo by Li Jianguo/Xinhua)

An African penguin carries a heart-shaped valentine during an annual tradition of "valentine's day for penguins" at the California Academy of Sciences in San Francisco, California, the United States, Feb. 14, 2024. (Photo by Li Jianguo/Xinhua)

An African penguin carries a heart-shaped valentine during an annual tradition of "valentine's day for penguins" at the California Academy of Sciences in San Francisco, California, the United States, Feb. 14, 2024. (Photo by Li Jianguo/Xinhua)

An African penguin carries a heart-shaped valentine during an annual tradition of "valentine's day for penguins" at the California Academy of Sciences in San Francisco, California, the United States, Feb. 14, 2024. (Photo by Li Jianguo/Xinhua)

An African penguin carries a heart-shaped valentine during an annual tradition of "valentine's day for penguins" at the California Academy of Sciences in San Francisco, California, the United States, Feb. 14, 2024. (Photo by Li Jianguo/Xinhua)

An African penguin carries a heart-shaped valentine during an annual tradition of "valentine's day for penguins" at the California Academy of Sciences in San Francisco, California, the United States, Feb. 14, 2024. (Photo by Li Jianguo/Xinhua)

An African penguin carries a heart-shaped valentine during an annual tradition of "valentine's day for penguins" at the California Academy of Sciences in San Francisco, California, the United States, Feb. 14, 2024. (Photo by Li Jianguo/Xinhua)