A young woman from southeastern China who once posed with her father outside Tsinghua University as a child has fulfilled a long-held dream by graduating from the elite Beijing institution. Wu Han, from Guangdong province, recently drew widespread attention on mainland social media after sharing two photos taken 17 years apart. In June, she received a master’s degree from Tsinghua University’s Academy of Arts and Design. Widely regarded as one of mainland China’s most prestigious universities,...