buttressed Metasequoia

when i browse to find a tree for my 2nd assignment..i was attracted to this kind of tree, named "buttressed Metasequoia"...at 1st when i look at this buttressed Metasequoia i just like its trunk and the brunch..but after read about the this redwood, i found that this tree is rare and This buttressed Metasequoia is an unusual and excellent specimen. this is the true image that i used for refference

http://www.skidmore.edu/gis/research/metasequoia/Duke.htm

http://www.babasgarden.net/2006/08/the_truly_amazing_redwood_tree.html


http://www.hort.uconn.edu/Plants/m/metgly/metgly1.html