source 7!

1. http://www.travelchinaguide.com/intro/arts/chinese-calligraphy.htm
2. Marco Polo International Travel Service
3. Marco Polo International Travel Service is a member of the Pacific Asia Travel Association(PATA) which is the leading voice and authority on Asia Pacific travel and tourism. Marco Polo International Travel Service is also a member of CATS (China Association of Travel Services) which is a national tourism industry association.
4. The source says, "Calligraphy, like a mirror, is a silent reflection of the soul. It is believed to have verve, of optimism, moderateness, or pessimism. Su Dongpo, one of the four litterateurs in the Song Dynasty (960 - 1279), composed many bold and unconstrained ci (a form of poetry that flourished in the Song Dynasty), also could write handsome characters in good taste."
5. yes
6. because their credentials seem to be very great in magnitude.