qutub minar and intricate inlay work on alai darwaza inside qutb complex in mehrauli

aibak alai ancient architecture asia beautiful brick building complex darwaza day delhi design dome exterior gate heritage historic historical iltutmish india indian indo inlay inscriptions islamic journey lattice marble medieval mehrauli minar minaret monument morning naskh nobody outdoor qutb qutub red relics sandstone site stone structure sultanate tall tallest tapering tourism tower travel turkic unesco white world