- It’s very hot at the centre of the earth.
Turn right at the next traffic-lights.
Sometimes we use at with a larger place, if we just think of it as a point: a point on a journey, a meeting place, or the place where something happens.
- You have to change trains at Didcot.
The plane stops for an hour at Frankfurt.
Let’s meet at the station.
There’s a good film at the cinema in Market Street.
- His house is on the way from Aberdeen to Dundee.
Stratford is on the River Avon.
On is also used for position on a surface.
- Come on — supper’s on the table!
Id prefer that picture on the other wall.
There’s a big spider on the ceiling.
- I don’t think he’s in his office.
Let’s go for a walk in the woods.
I last saw her in the car park.
- He’s arriving on the 3.15 train.
There’s no room on the bus; let’s get off again.
- She lives at 73 Albert Street.
We use in if we just give the name of the street.
- She lives in Albert Street.
We use on for the number of the floor.
- She lives in a flat on the third floor.
- in a picture in the sky on a page