This couple shares an unusual hobby: they climb the world’s tallest buildings together.

What was your most thrilling first date? In 2016, two young Russians known for their extreme “rooftopping” adventures—where they climb towering landmarks like La Sagrada Familia and the Eiffel Tower—skipped the usual happy hour cocktail and instead ascended China’s tallest incomplete skyscraper, the 1,957-foot-high Goldin Finance 117. At the time, Ivan Beerkus and Angela Nikolau …