The Milkmaid (Vermeer) van Leyden's engraving "The Milkmaid" (1510) and Jacques de Gheyn II's engraving "The Archer and the Milkmaid" (about 1610). Vermeer's painting is even more understated, although the use of symbols remains: one of the Delft tiles at the foot of the wall behind the maid, near the foot warmer, depicts Cupid – which can imply arousal of a woman or simply that while she is working she is daydreaming about a man. Other amorous symbols in the painting include a wide-mouthed jug, often used as a symbol of the female anatomy. The foot warmer was often used by artists as
IHE Delft Institute for Water Education of UNESCO. Prior to 2003, the Institute was called IHE Delft. This in turn was established from the International Course in Hydraulic Engineering (set up in 1957). This name changed to International Institute for Hydraulic and Environmental Engineering (IHE) in 1976. IHE Delft is instrumental in the strengthening of efforts by other universities and research centres in increasing knowledge and skills of professionals working in the water sector. The knowledge and services of IHE Delft in human and institutional capacity-building are vital to the achievement of Sustainable Development Goals, especially SDG 6 (providing access to clean water and sanitation). IHE