Swallows just flying from the south dive on the surface of the river without showing the tiredness of a long trip

जानवरों / Swallows just flying from the south dive on the surface of the river without showing the tiredness of a long trip
प्रकृति-लैंडस्केप / Swallows just flying from the south dive on the surface of the river without showing the tiredness of a long trip