IF YOU KNOW FRENCH PLZ HELP WITH THESE ALLER+PREPOSITIONS

Could anybody translate this into french i would be grateful: imagine being on top of the great wall of china meating all these new people seeing how the locals live.and how's your holiday going in frence? i hope everything is fine,see you soon.

Could someone who in familiar with the french lang, look over my translation of a short text i wrote? english text: my main dish is a salad with fish. i am also eating a sandwich and soup. i am drinking water. for dessert, i am eating some cake and a bowl of ice cream. my friend is eating with me. some french foods i like are macarons and the baguette.my french text: mon plat principal est une salade avec le poisson. je suis aussi mangement un sandwich et une soupe. je bois de l'eau. pour dessert je suis mangement du gâteau et une boule de glace. mon amie est mangement avec moi. j'aime macaroons et baguettes.also, how would you say: 'some french foods i like is marcarons and baguettes? ' in french? would it be: quelques français de la nourriture j'aime sont macarons et baguettes.

Is this french sentence grammatically correct? "vous aimez dessiner, prendre des photos, jouer aux jeux vidéos et les animaux. alors, je pense qu’un jeu vidéo designer ou un informatician sont des bons métiers pour toi." should des be changed to de?