What am (something in a museum)谜语white land and colorful sea,there one can grow a flower or a tree,or anything else one hopes to see,lots of lots of people like to see me

I am something that always increases when I share myself with others. What am I? am i messing something I am something that can run but never walk what am I? 猜猜：I am something that can run but can not walk .What am I? I am something that has teeth but can't eat. What am I? i am not hungry ,what about ()a something to eatb something eatc anything to eat I am something that makes everything visible,but myself is unseen.What am I am something that can run but cannot walk.What am I am something that can run but never walk what am I am something that can run but cant walk,what an I. I am 20 something是什么意思? I'am going do something I am what I am I'm something that has four legs and only one foot.What am I'm something that can run but can't walk.What am I'm something that can run but can never walk.What am 快,急用 I am something that every living person has seen,but no one will ever see me again.What am what am i thinking?