Designs for the Oscar L. Tang and H.M. Agnes Hsu-Tang Wing, conceived by the architect Frida Escobedo, show a stepped exterior of latticed limestone

Escobedo, the first woman to design a wing at the museum, was chosen over candidates including David Chipperfield, Ensamble Studio and other firms

Chicago activist’s structure will incorporate a church bell and oculus

Frida Escobedo will combine Mexican and British influences for the temporary structure in Hyde Park