ASCE Video: What do Civil Engineers do$?$ : How did the $3^{rd}$ Engineer in the video $($Erin White$)$ helped the baseball fans in Florida?

a$.$ Relocating the stadium in a special area in Florida, in which the effects of the hurricanes are minimized by the its topography.

b$.$ Designing a hurricane$-$proof retractable roof at the stadium.

c$.$ Designed a new area in the stadium, in which $1,500$ additional seats were added

d$."$a$"$ and $"$b$"$