Covid-19 2020 teaches us that if we are follow the rules then you will be able to protect yourself Civid 19 gives us some good things and bad things in good things peoples are copareted to each other and they knows that if we are not copareted are to each other and our self then it's very dangerous for or indians. I think covid -19 2020 it's a first stage of word war three. But I hope in 2021 no past of 2020 will repeat. Year 2021 will be very precious for us .All Rights Reserved