V.A. Khokhlova and O.A. Sapozhnikov gave lectures at the Institute of Acoustics, School of Physics of Nanjing University in China. Prof. Khokhlova presented a talk "Methods of characterizing medical ultrasound fields using nonlinear simulations with a boundary condition obtained from measurements" and Prof. Sapozhnikov talked on "Acoustic fountains, ultrasonic atomization, and their possible role in the biological tissue damage by HIFU". Slogan for the students at the entrance to the university: be honest, be strong, study well, and work hard.