Intellektual viktorina. Intellectual contest

Hurmatli, ishtirokchilar. Sizni intellektual viktorinamizga taklif etamiz. Natijalarni hafta ohirida e'lon qilamiz. Faol ishtirok eting. Dear, subscribers, and student. We are really happy to inform you that we are just about to start our intellectual contest. Everybody is welcome to take part in the contest. Questions will be about history, geography, cinema, science and etc. Periodically we will announce the results and rankings. So, come and show your abilities.

1930 yilgacha eng baland hisoblangan bino qaysi? Which building was the tallest one until 1930?