On July 1-3，the 33rd Conference of the Society of Environmental Geochemistry and Health (SEGH) was held in the Ocean Hotel of Guangzhou. GIG was one of the two organizers. A quad of our group people appeared on the even for attending academic sessions.

Attendees. （Yishan was also on the meeting, but somewhere.. )

Welcome speech on behalf of GIGCAS.

The session was actually organized by Chen Shejun of our laboratory. I co-chaired it.

Professor Ma Jianmin of Peking University delivered a talk.