Example: remove all empty lines
feature set—unsurprising, given that the 3724 had already introduced most of the
，更多细节参见新收录的资料
Фото: Алексей Филиппов / РИА Новости
During the ”snowball Earth” period about 700m years ago, Earth’s climate shut down. The planet was encased in ice and insulated from seasonal variations: spring, summer, autumn and winter all stopped. Or at least that was the theory.