This photo taken on May 11, 2024 shows the cityscape of Moscow, Russia.(Photo: Xinhua)

This photo taken on May 11, 2024 shows the cityscape of Moscow, Russia.(Photo: Xinhua)

This photo taken on May 8, 2024 shows the main building of Moscow State University in Moscow, Russia.(Photo: Xinhua)

This photo taken on May 8, 2024 shows the cityscape of Moscow, Russia.(Photo: Xinhua)