The Canton Tower in
Guangzhou is a multipurpose observation tower that opened to the
public on 1 October 2010. This landmark building is 604 meter
tall and at night displays changing patterns of lights
in various colours, putting on a lightshow that can be
witnessed from far and wide. It briefly held the title
of tallest tower in the world, but by 2021 ranked as the
4th tallest freestanding structure in the world.