Core tip: On the afternoon of the 25th, a 34-year-old woman in Hangzhou took off her clothes in the hall of a bank in public. She was stopped by a security guard when she had just taken off half of her clothes. The woman claimed that she was a psychology teacher at a university, and this time she wanted to take off all her clothes in public to test people's psychological endurance. It is reported that the woman has no obvious mental problems.