def get_region_string(point, size=0.1):
    """
    Construct a string of coordinates that create a box around the specified point.

    Parameters
    ----------
    point : list of float
        Latitude and longitude of the specified point.
    size : float, optional
        Side length of the output square.

    Returns
    ----------
    str
        A string with coordinates for each corner of the box. Can be passed to Earth
        Engine.
    """
    left = point[0] - size / 2
    right = point[0] + size / 2
    top = point[1] + size / 2
    bottom = point[1] - size / 2
    coords = str([[left, top], [right, top], [right, bottom], [left, bottom]])
    return coords