If you are logged in, you can drag a room to the calendar to make a reservation and click your events to remove them.
Madrid (Mercator 1 building, room 5.05)
Vienna (Mercator 1 building, room 5.04)
Copenhagen (Mercator 1 building, room 5.03)
New York (left) (Mercator 1 building, room 0.13, left desks)
New York (middle) (Mercator 1 building, room 0.13, middle desks)
New York (right) (Mercator 1 building, room 0.13, right desks)
NDL (middle) (Mercator 1 building, room 0.12, middle desks)
NDL (right) (Mercator 1 building, room 0.12, right desks)
NDL (left wall) (Mercator 1 building, room 0.12, left desks at wall)
NDL (left window) (Mercator 1 building, room 0.12, left desks at window)