The book of Revelation pictures a worship scene in heaven.
Revelation 7:9 "After this I looked, and there before me was a great multitude that no one could count, from every nation, tribe, people and language, standing before the throne and before the lamb. They were wearing white robes and were holding palm branches in their hands."
God will gather different ethnic groups in Chicagoland to worship Him.
During the Pentecost, about 3,000 people were baptized.
Acts 2:42 and 46-47 "They devoted themselves to the apostles' teaching and to fellowship, to the breaking of bread and to prayer. Every day they continued to meet together in the temple courts. They broke bread in their homes and ate together with glad and sincere hearts, praising God and enjoying the favor of all the people. And the Lord added to their number daily those who were being saved."
After going through all the towns and villages, Jesus taught and proclaimed the good news of the Kingdom of God.
Matthew 9:37 "The harvest is plentiful but the workers are few. Ask the Lord of the harvest therefore, to send out workers into the harvest field."