City's first major park, designed by Sidney Root; In 1883 Col. L.P. Grant gave 100 acres near his home to the city for a park; Cyclorama and zoo gifts of George V. Gress; Cyclorama painted in 1865, measures 50 feet in height and 400 feet in circumference. It has been in Grant Park since 1893, housed in building designed by John Francis Downing since 1921; Photograph taken May 1981