Tehran, a city of more than 9 million people, has been shrouded in thick smoke and dangerous acid rain recently after Israeli strikes hit oil depots and refineries in and near the Iranian capital. The strikes come amid the U.S. and Israel's ongoing war with Iran, which Iranian officials say has killed more than 1,300 people, including the country’s longtime Supreme Leader Ayatollah Ali Khamenei. World Health Organization (WHO) spokesperson Christian Lindmeier said on Tuesday that dangerous “