Update index.md

index.md

@@ -82,7 +82,7 @@ pubs:
 
 {% include image.html url="images/photo.png" caption="" max_width="3px" align="right" %}
 
-Yantian was born in [Nanjing](https://en.wikipedia.org/wiki/Nanjing), China. While Yantian started learning piano at three years old (and eventually obtained his [10-Level Piano Certificate](https://drive.google.com/file/d/0BzFSKJBTOGjKRExJZENGajlCVG8/view){:target="_blank"}), Yantian is committed to Robotics (which is one of Yantian's childhood dreams). Yantian's robotics journey truly set out when he was an undergrad, worked with [Prof. Xudong Ma](https://automation.seu.edu.cn/2019/0528/c24505a275234/page.htm){:target="_blank"} and [Prof. Kun Qian](https://automation.seu.edu.cn/2019/0528/c24504a275190/page.htm){:target="_blank"} at the Institute of Intelligent Robotics and Intelligent Control, Southeast University. After that, Yantian went to Arizona State University and had a delighted Ph.D. life with his advisor [Prof. Subbarao Kambhampati (Rao)](http://rakaposhi.eas.asu.edu/){:target="_blank"} (as clearly seen from the title of Yantian's [Ph.D. Thesis](https://yantianzha.github.io/yantianthesis.github.io/){:target="_blank"}). Recently, Yantian becomes a Postdoctoral Associate and Adjunct Lecturer, working with [Prof. Yiannis Aloimonos](http://users.umiacs.umd.edu/~yiannis/){:target="_blank"} and [Dr. Cornelia Fermüller](https://isr.umd.edu/clark/faculty/1168/Cornelia-Ferm%C3%BCller){:target="_blank"} in the [Perception & Robotics Group](http://prg.cs.umd.edu/){:target="_blank"}, at the University of Maryland, College Park.
+Yantian was born in [Nanjing](https://en.wikipedia.org/wiki/Nanjing), China. While Yantian started learning piano at three years old (and eventually obtained his [10-Level Piano Certificate]([https://drive.google.com/file/d/0BzFSKJBTOGjKRExJZENGajlCVG8/view](https://drive.google.com/file/d/0BzFSKJBTOGjKRExJZENGajlCVG8/view?usp=sharing&resourcekey=0-KWtW85aPuDjuFek7g6yO7w)){:target="_blank"}), Yantian is committed to Robotics (which is one of Yantian's childhood dreams). Yantian's robotics journey truly set out when he was an undergrad, worked with [Prof. Xudong Ma](https://automation.seu.edu.cn/2019/0528/c24505a275234/page.htm){:target="_blank"} and [Prof. Kun Qian](https://automation.seu.edu.cn/2019/0528/c24504a275190/page.htm){:target="_blank"} at the Institute of Intelligent Robotics and Intelligent Control, Southeast University. After that, Yantian went to Arizona State University and had a delighted Ph.D. life with his advisor [Prof. Subbarao Kambhampati (Rao)](http://rakaposhi.eas.asu.edu/){:target="_blank"} (as clearly seen from the title of Yantian's [Ph.D. Thesis](https://yantianzha.github.io/yantianthesis.github.io/){:target="_blank"}). Recently, Yantian becomes a Postdoctoral Associate and Adjunct Lecturer, working with [Prof. Yiannis Aloimonos](http://users.umiacs.umd.edu/~yiannis/){:target="_blank"} and [Dr. Cornelia Fermüller](https://isr.umd.edu/clark/faculty/1168/Cornelia-Ferm%C3%BCller){:target="_blank"} in the [Perception & Robotics Group](http://prg.cs.umd.edu/){:target="_blank"}, at the University of Maryland, College Park.
 
 Research Interest: