Maurits C. Escher is known for his incredible art work. He was a draftsman, book illustrator, tapestry designer and a muralist but his primary work was a printmaker. He was born in 1898 and died in 1972. Escher is most famous for his so called impossible structures. Some of his most famous pieces are Ascending and Descending, Relativity, his Transformation Prints, such as Metamorphosis I, Metamorphosis II and Metamorphosis III, Sky & Water I or Reptiles.
This tesselation by M.C Escher has glide reflectional. Exaclty four winged lions meet the the tip of each lions chin. Glide reflection is a transformation which is a translation followed by a reflection in line parrallel to the direction of translation. The order of two transforms is not important. You can easily see that the same result is obtained by first reflecting and then translating the image.