1. What is wrong with the following image?

2. And here?

3. It seems, that here something is wrong also :

4. Does something disturbs you in the picture below?

5. At the end – please, find the problem in this interesting picture fragment:

For answers, please scroll down:

Answer 1 – key 9 is lacking.

Answer 2 – the railroad ties are missing.

Answer 3 – among all the ducks in the lake, a pigeon is also noticed, but pigeons do not swim.

Answer 4 – the door lock hole is missing.

Answer 5 – the plant in the pot is not connected to it and seems to levitate in the air.