In my opinion it's nice to meet new people from different cultures all over the world but also you need to be cautious/careful about their intentions because sometimes people become crazy and the situation can become dangerous and disgusting.

In my opinion, it's nice to meet new people and cultures from all over the world. However, you also need to beware of their intentions because sometimes people can become crazy and the situation could turn dangerous and troubling.

In my opinion, it's nice to meet new people and cultures from all over the world. However, you also need to beware of their intentions because sometimes people can become crazy and the situation could turn dangerous and troubling.

In my opinion, it's nice to meet new people and cultures from all over the world. However, you need to assess their intentions coz sometimes people become crazy and the situation becomes dangerous and disgusting.

In my opinion it's nice to meet new people and cultures from all over the world but, at the same time, you need to be on your guard about their intentions coz sometimes people become crazy and the situation become dangerous and disgusting.