A weird question to display image on simulator

I encounter a problem. I create a UIImageView to display a large image(16,000*3,200pixels). It could display on the device quite normally. However, it couldn't display on the simulator, totally blank. If i change to a little smaller image(1532*513pixels). It could display normally both on simulator and device.

An asset that large may require you to wait a while for it to load to the simulator...

A weird question to display image on simulator
 
 
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