def generate_poi(lati, long):
    u = random.uniform(0.1,1.0)
    v = random.uniform(0.1,1.0)
    r = 200/111139
    w = r * math.sqrt(u)
    t = 2 * math.pi * v
    x = w * math.cos(t)
    y = w * math.sin(t)
    gen_lati = lati+x
    gen_long = long+y
    return gen_lati, gen_long