Chinese artist denied six-month visa by British government

The transcript discusses how happiness can be diminished by various challenges such as restrictions and loss. Despite these challenges, there are still opportunities for joy, often sparked by specific events. The transcript also highlights the rapid spread of viral content online and its subsequent removal, illustrating the dynamic nature of information sharing and censorship.

文本中提到的传播现象是如何影响快乐的？

根据文本，快乐的传播在中国的网络上有什么样的表现？