Meanwhile, as the conflict grinds on, our writers are documenting what it means for culture, history, and everyday life in Ukraine.

• Online, Ukrainian citizens are going underground. They’re turning to chat apps like Telegram to “practice privacy and quiet communication—necessary virtues for a resistance movement,” Gal Beckerman writes.
• Kyiv’s sublime urban spaces are in danger. Five Ukrainian urbanists describe the places in their nation’s capital that mean the most to them, including modernist buildings, open green areas, and the local brewery that would cast the smell of malt around the neighborhood.
• A onetime Jewish metropolis is now being menaced by Vladimir Putin. In his newsletter, Deep Shtetl, Yair Rosenberg explores the history of Odessa, a port city that “was host to every sort of Jew,” and the unique rabbi who held the community together in the pre-Holocaust era.

Further reading: A “supply shock” precipitated by the crisis has led some in the United States to start hoarding nickels, Saahil Desai reports.