Zvejnieki burial ground is a place where people who lived a long, long time ago were buried. It's like a big, big yard where lots of people were buried after they died.
The people who were buried at the Zvejnieki burial ground were from a group of people called the Balts. They lived in what is now Latvia and nearby areas. They lived a very, very long time ago - much longer than your grandparents and great-grandparents.
At the Zvejnieki burial ground, archaeologists have found lots of things that the people from the Balts group were buried with. Some of these things include jewelry, tools, and even weapons like swords and spears. These things were important to the people who were buried there because they wanted to have them with them when they went to the afterlife.
The Zvejnieki burial ground is really interesting because it helps us learn more about the people who lived a long, long time ago. By studying the things that were buried with them and how they were buried, we can learn more about their culture and what they believed in. It's like a big puzzle that we are trying to solve to learn more about our past.