Officials here said a second phase of the attack would follow the first without pause.
A second phase for other emergency workers, police and firefighters would follow.
A further three phases of construction followed that of the auditorium.
Other phases of clearing and replanting followed in the 1940s and 1960s.
A less intensive phase followed the Bolshevik Revolution of 1917.
Between 1989 and 1995 an active phase with concerts followed.
A second phase followed in which the room to the southeast of the building was equipped as a Youth Centre.
The next major phase of construction followed in 1990 when the line was extended in a southeasterly direction.
Following the Bolshevik Revolution of 1917 a second less intensive phase followed.
The red-giant-branch phase of a star's life follows the main sequence.