My recommendation, assuming Santorini and Mykonos are on the top of your list is splitting 7 days between the two islands. You will want 2 or 3 nights in Athens to see the Acropolis and because you will most likely have to spend your first and last nights in the city.
Answer: Red, swollen legs may be a sign of a circulation problem; therefore, it is important to make an appointment with your primary care physician. Most likely what you are experiencing is called edema. Edema is the actual swelling of the ankles and the legs, typically caused by venous hypertension or venous insufficiency. Hypertension and venous insufficiency is usually caused by one of the following factors: An obstruction or blockage in the veins, which can come from a tumor, or a deep vein thrombus .
Swollen Ankles. Swollen feet and legs, referred to medically as edema, occur when fluid is retained in the spaces between body cells. Edema typically affects the feet, ankles and lower legs, but can also impact any area of the body, causing systemic symptoms.