I am looking for a picture from F1 circuit with cars 1950s
I am making a print of 12m x 3m. But if I download a stock photo from A.E. Shutterstock. 102cm x 64cm 300 dpi and I take a piece of into put on a file of 1200cm x 300cm 120dpi then it is blurry and pixeled. So where can I find pictures that are even bigger than the largest on Shutterstock? Ore does anyone have any tips to solve my problem?