If you're talking about the first picture in the book... they're in the first and last keyhole, respectively. One's on the bed, and the other, well... look for one of the dolls trying to comb his hair...
There are a large number of factors involved. It was Durin's Day and the last rays of sunlight fell on the rock, revealing the key. And they had the key, Gandalf had gotten it from Thorin's father.
DWLS was created in 1955.
Conus orbignyi was created in 1831.
Drosera rupicola was created in 1982.
Mondo Keyhole was created in 1966.
Keyhole Castle was created in 1913.
Through the Keyhole was created on 1987-04-03.
A Glass Eye at a Keyhole was created in 1938.
Keyhole - film - was created on 2012-04-06.
Broadway Through a Keyhole was created on 1933-11-02.
The duration of The Keyhole is 1.15 hours.
Keyhole, Inc. originally created Google Earth in 2001. Google later acquired Keyhole, Inc. in 2004 and rebranded the software as Google Earth.
The duration of Mondo Keyhole is 1.17 hours.
The duration of Through the Keyhole is 3600.0 seconds.
The duration of Keyhole - film - is 1.55 hours.
Through the Keyhole ended on 2008-06-04.