Nairobi Kenya's Vision 2030 and Nairobi Metropolis plans. Most roads now, though, are well lit and surfaced with adequate signage. The proposed Nairobi Bypasses are currently under construction by the Kenyan government and financed by Chinese Government. Their construction seeks to ease congestion in Nairobi's downtown area and the surrounding suburbs. The Bypasses will comprise the: 94% of the piped water supply for Nairobi comes from rivers and reservoirs in the Aberdare Range north of the city, of which the reservoir of the Thika Dam is the most important one. Water distribution losses – technically called non-revenue water – are 40%,
Nairobi and gurdwaras within the city. Prominent places of worship in Nairobi include the Cathedral Basilica of the Holy Family, All Saints Cathedral, Ismaili Jamat Khana, and Jamia Mosque. Nairobi has two informal nicknames. The first is ""The Green City in the Sun"", which is derived from the city's foliage and warm climate. The second is the ""Safari Capital of the World"", which is used due to Nairobi's prominence as a hub for safari tourism. There are a number of shopping malls in the Nairobi Area. These include: Garden city mall, Thika road mall (TRM), the West Gate mall, Prestige Plaza,