There is a underground path to the left of lavendar town take this path when you exit on the other side go left and you will arrive in celadon city.
somewhere...route 5 i think...
lavender and go west
go under ground and find fossils
dig under ground
No.
You can use it to operate the elevator in the rocket hideout, under the casino in celadon city. Hope this helped you!
there is no under ground photography studio its just a hack
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naab
Under ground in newzealand
no you can only use the bike above ground
You can go under ground