अपनी भाषा में प्लॉट जोड़ेंCNN audiences are invited to look back at the 2010s, a turbulent era marked by political and social upheaval, culminating in the single most dramatic year of the 21st century: 2020.CNN audiences are invited to look back at the 2010s, a turbulent era marked by political and social upheaval, culminating in the single most dramatic year of the 21st century: 2020.CNN audiences are invited to look back at the 2010s, a turbulent era marked by political and social upheaval, culminating in the single most dramatic year of the 21st century: 2020.