This satellite picture from Planet Labs Inc. shows Iran’s underground Fordo nuclear facility outside of Qom, Iran, Oct. 23, 2021. After a monthslong hiatus, Iran has returned to negotiations in Vienna aimed at reviving its cratered nuclear deal with world powers. But Tehran isn’t slowing down the advances in its atomic program, further raising the stakes in talks crucial to cooling years of tensions boiling in the wider Mideast. (Planet Labs Inc. via AP)