Indian collector manufacturer Inter Solar Systems (ISS) has recently put into operation a solar swimming pool heating system at a private villa in Muscat, the capital of Oman. Local solar thermal dealer Continental Shelf of Solar Tech purchased the 60 m² flat plate collector system from ISS to keep a large private pool inside a villa at comfortable 25 °C all year round. The photo provides a view over the coastal town of Muscat, which is said to be the world’s smallest capital with a population of only 32,000.Photo: www.omantourism.de