where are the expedition outposts in fortnite?
['D3: On the mountain northeast of Pleasant Park.', 'G2-I2: Spread across a wide area north and northwest of Sunny Steps.', 'J3: On the hill between Sunny Steps and Lonely Lodge.', 'I5: On the hill west of Lonely Lodge.', 'A7: On the snowy slopes between Snobby Shores and Frosty Flights.', 'A8: The Frosty Flights airfield.']