Find 167,794 Christmas Tree stock video, 4K footage, and other HD footage from iStock. Get higher quality Christmas Tree content, for less—All of our 4K video clips are the same price as HD.

Tree modelling is a necessary topic for discussion in virtual world construction. This paper presents a new approach that uses point cloud reconstructions of the resulting tree skeleton to form a ...

But what impact do Christmas trees - real and artificial - have on the environment? Neil and Sam discuss Christmas's carbon footprint and teach you some new vocabulary all in 6 minutes!