Talk about impressing a date! Two Russian climbers, Ivan Kuznetsov, 22, and Angela Nikolau, 23, really got their hearts racing as they illegally free climbed the world's largest construction site. The captivating video shows the duo take on the site in Tianjin, China at an astounding 640 meters. Kuznetsov and Nikolau have also scaled European landmarks including the Eiffel Tower. The two don't believe they're doing anything illegal and just want to share their experiences with the world. #InsideEdition