CCTV please enjoy-Beijing Summer Palace 02\CCTV please enjoy-Beijing Summer Palace 03 The music is flowers blooming and falling, composed by Luo Jiyi

Also, this is not the music composed by CCTV itself , is copyrighted music, specially used for soundtracks by TV stations and other units

It can be found on websites such as Tudou (not videos, Tudou has music) without lossless download