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We investigate the strong gravitational lensing in a Kaluza-Klein black holewith squashed horizons. We find the size of the extra dimension imprints in theradius of the photon sphere, the deflection angle, the angular position andmagnification of the relativistic images. Supposing that the gravitationalfield of the supermassive central object of the Galaxy can be described by thismetric, we estimated the numerical values of the coefficients and observablesfor gravitational lensing in the strong field limit.

Strong gravitational lensing in a squashed Kaluza-Klein black hole spacetime