Poverty: “Worldwide, one out of every five people ​ — more than one billion in all — ​ live below the poverty line, and an estimated 13 million to 18 million die annually of poverty - related causes. ” ​ — UNDPI
आर.) “ अफ्रीका में, १८ देशों में लगभग तीन करोड़ सुरंगें बिखरी हुई हैं । ” — (यू. एन. एच. सी.