Mama's Lab in Death Stranding

First, you have to go to Mama's lab shown on the map.

You will notice a spider web marking.

And also note the second floor door.

You will need to go behind this door later.

You have to examine entrance to Mama's lab.

And examine hidden items on shelves.

Take a good look before you enter.

After that, go into the Repatriate mode.

And swim towards entrance of Mama's lab.

Go towards the ceiling to go inside.

You are inside Mama's lab!

Explore Mama's lab.

Explore Mam's lab (storage room 1).

Explore Mama's lab (Mama's desk area).

Explore Mama's lab (vehicle robot 1).

Explore Mama's lab (storage room 2).

Explore Mama's lab ( vehicle diagnostics).

Explore Mama's lab (vehicle robot 2).

After that, you have to explore the collapsed area.

Explore the area where Mama got stuck under the bridge.

Then you need to go back to the Mama's lab area.

See other side of Collapsed bridge.

After that, return to Mama's lab area.

And make your way to the second floor.

You are behind the locked 2nd floor door.

Travel behind 2nd floor wall space.

Above roof of Mama's lab.