"En la planta baja hay" translates to "On the ground floor, there is" in English. It is commonly used to indicate the presence of something or someone located on the ground floor of a building. The phrase sets up for further information about what can be found in that location.
"Hay" means, "there is" or "there are."
"There is" or "there are".
"It is sunny."
There is thunder
It means: There are clouds.
Where is one?
That is Spanish for "There is a girl".
It means "There is no lifeguard."
Perhaps you mean "hay". (The "h" is silent). This means "there is" or there are'"
it means: there is a problem
There's a tornado.
it means: there is wind