1&2 connection: The dog in image 1 and the cocks in image 2 are both kinds of animals.
2&3 connection: There are many leaves in the background.
3&4 connection: The leaves in image 3 and the flower in image 4 are both kinds of plants.
4&5 connection: In these two images, there both are flowers with hanging jewels.
5&6 connection: The color of two people’s skin is the same.
6&7 connection: There is a hand in each image.
7&8 connection: Both image got cross in them, and also golden chains.
8&9 connection: The coat in image 8 is made of fabric, and there is also fabric in image 9.