French tightrope walker Tatiana-Mosio Bongonga, 35, walks on a rope in a performance to open an international circus festival in Prague, the Czech Republic, on August 14, 2019. /VCG Photo

The aerial artist from the French troupe Cie Basinga crossed the Vltava River Wednesday on a 350-meter-long rope at the height of 35 meters. /VCG Photo

She crossed the river without any visible protection, using a four-meter-long balance pole weighing 12 kg. The whole journey took her about 40 minutes, according to Xinhua news agency. /VCG Photo

Thousands of people turned up along the Čech Bridge to watch the "walk in the clouds" show. /VCG Photo