All seen.
1995 Hong Kong.
1998 May 6-13 Sichuan Wolong.
2000 Dec 24-Jan 7 Western Yunnan
2001 Jan 19-24 Tsingtao Yangtai; April 21-May 9 Beidaihu & Shanghai Chong Ming Island.
2012 Sep 29-Oct 2 Hainan Island.
2013 May 5-10 Jiangxi. May 29-Jun 9 Sichuan.
2015 April 25-May 2 Sichuan. May 22-25 Inner Mongolia Jilin. Nov 26-29 Shanxi. Dec 24-Jan 2 Yunnan SW.
2017 March 4-7 Guangxi Nongang.