Can you make images unnecessarily large?

#1

8_Washington_Square_North_(House)%2C_New_York%2C_New_York_County%2C_NY_HABS_NY%2C31-NEYO%2C18-_(sheet_5_of_10)
8_Washington_Square_North_(House),_New_York,_New_York_County,_NY_HABS_NY,31-NEYO,18-_(sheet_5_of_10).png3503x2853 2.21 MB

#2

No, they will always be reduced in size