it was installed on 2019 but still question to Lee Kun-Tse (李昆澤) why that concrete high barier was installed even there is a easier way to install antennas which would definitelly prevent from that tragedy? Please have a look on the links below describing that issue:

https://x.com/galvmonse/status/1873422952697655589

https://x.com/jamai_on/status/1873648523255881947