The amphibians of Alhambra – a photo essay

Its stunning Moorish architecture makes the Spanish monument one of the world's most visited. But photographer Ugo Mellone found the resident frogs, toads and newts just as fascinating

The Alhambra, which sits on a hill in Granada, Andalucia, is the only preserved palatine city of the Islamic period and a Unesco world heritage site. Once the residence of the Nasrid sultans, it is one of the most visited national monuments in the world.