A woman lays flowers to the Freedom Monument in Riga, Latvia, May 4, 2020, as the country marks the 30th anniversary of its declaration of independence. May 4 is celebrated by Latvians to mark the day the country declared independence from the former Soviet Union in 1990. Due to the COVID-19 pandemic, national-wide celebrations this year mostly took place at home as all annual events were cancelled. (Photos: Xinhua)

A flower bed in shape of a Latvian map is set up in front of the Freedom Monument in Riga, Latvia, May 4, 2020, as the country marks the 30th anniversary of its declaration of independence. May 4 is celebrated by Latvians to mark the day the country declared independence from the former Soviet Union in 1990. Due to the COVID-19 pandemic, national-wide celebrations this year mostly took place at home as all annual events were cancelled.

Latvian Prime Minister Krisjanis Karins lays flowers to the Freedom Monument in Riga, Latvia, May 4, 2020, as the country marks the 30th anniversary of its declaration of independence. May 4 is celebrated by Latvians to mark the day the country declared independence from the former Soviet Union in 1990. Due to the COVID-19 pandemic, national-wide celebrations this year mostly took place at home as all annual events were cancelled.

A signboard reminding people to observe social distancing is seen in front of the Freedom Monument in Riga, Latvia, May 4, 2020, as the country marks the 30th anniversary of its declaration of independence. May 4 is celebrated by Latvians to mark the day the country declared independence from the former Soviet Union in 1990. Due to the COVID-19 pandemic, national-wide celebrations this year mostly took place at home as all annual events were cancelled.

A man lays flowers to the Freedom Monument in Riga, Latvia, May 4, 2020, as the country marks the 30th anniversary of its declaration of independence. May 4 is celebrated by Latvians to mark the day the country declared independence from the former Soviet Union in 1990. Due to the COVID-19 pandemic, national-wide celebrations this year mostly took place at home as all annual events were cancelled.

A flower bed in shape of a Latvian map is set up in front of the Freedom Monument in Riga, Latvia, May 4, 2020, as the country marks the 30th anniversary of its declaration of independence. May 4 is celebrated by Latvians to mark the day the country declared independence from the former Soviet Union in 1990. Due to the COVID-19 pandemic, national-wide celebrations this year mostly took place at home as all annual events were cancelled.

A couple dressed in Latvian national costumes pose for a photo while laying flowers to the Freedom Monument in Riga, Latvia, May 4, 2020, as the country marks the 30th anniversary of its declaration of independence. May 4 is celebrated by Latvians to mark the day the country declared independence from the former Soviet Union in 1990. Due to the COVID-19 pandemic, national-wide celebrations this year mostly took place at home as all annual events were cancelled.