You may use such phrases: Firstly; Secondly; Thirdly; Moreover; It seams to me / It looks like / It might be; I can only guess; If I'm not mistaken ; I'm not sure exactly (what this is) but ... ; As for me / To my mind / In my opinion / I think / I believe / Personally; In contrast/Unlike ...; The most apparent/obvious difference (similarity) between photo 1 and photo 2 is The main difference/similarity between picture 1 and picture 2 is ... ; The only difference/similarity is ...; To sum it up I would like to say that ... ; All in all, it's evident ...-; Summarizing, I may say that ... ;​

Firstly, it seems to me that there is a significant difference between photo 1 and photo 2. Secondly, the most apparent difference between the two pictures is the subject matter. In photo 1, there is a beautiful sunset over the ocean, while in photo 2, there is a bustling cityscape. Moreover, the main similarity between picture 1 and picture 2 is the skillful use of colors. The vibrant hues in both images create a visually pleasing effect. However, I can only guess that the locations of the photos are different since there are no specific details provided. In contrast, the only similarity I can see is that both photos capture visually striking scenes. To sum it up, I believe that while each photo has its own unique characteristics, they both showcase the beauty of the world in their own way. All in all, it's evident that the photographer has a talent for capturing captivating moments.