Syria 🇸🇾 is a lovely country in my opinion, its climate its the best in the world because of diverse between the heat in summer and snow in winter and moderation in the rest of the seasons on the other hand it containhas very attractive areas like Damascus that combines modernity and antiquity and every city in sSyria has a special character that attracts attention ¶
I hope peace will prevail in this country

Syria 🇸🇾 is a lovely country i. In my opinion, the climate it the best in the world because of the diverseity between the heat in summer and snow in winter, ands well as moderation in the rest of the seasons o. On the other hand, it containhas very attractive areas like Damascus that combines modernity and antiquity and e. Every city in sSyria has a special character that attracts attention . ¶
I hope peace will prevail in this country.

“On the other hand” is normally used to compare two distinctively different subjects, rather that just the difference between weather and an incredible city. You could omit this phrase here.

My aAmazing cCountry

Titles have special capitalization rules

Syria 🇸🇾 is a lovely country in my opinion. The climate its the best in the world because of the diverseity between the heat in summer and the snow in winter and, with moderation in the rest of the seasons on the other hand it contain. It also has very attractive areas like Damascus thatwhich combines modernity and antiquity and e. Every city in sSyria has a special character that attracts attention .¶
I hope peace will prevail in this country.

"Contain" is slightly technical, used more in contexts with something that can be viewed as a "container," like a box or a drawer.
Countries (Syria) are always capitalized.
"On the other hand," is used for contrasting statements, e.g. a positive and then negative statement.