Funafuti is the capital of the island nation of Tuvalu. It has a population of 6,320 people (2017 census), and so it has more people than the rest of Tuvalu combined, with approximately 60% of the population. It consists of a narrow sweep of land between wide, encircling a large lagoon (Te Namo) long and wide. The average depth of the Funafuti lagoon is about 20 fathoms (36.5 metres or 120 feet). With a surface area of , it is by far the largest lagoon in Tuvalu. The land area of the 33 islets around the atoll of Funafuti totals ; taken together, they constitute less than one percent of the total area of the atoll. Cargo ships can enter Funafuti's lagoon and dock at the port facilities on Fongafale. The capital of Tuvalu is sometimes said to be Fongafale or Vaiaku, but, officially, the entire atoll of Funafuti is its capital, since it has a single government that is responsible for the whole atoll. Fongafale The largest island is Fongafale. The island houses four villages and community meeting places. The Funafuti Falekaupule is the local council, with the Kaupule as the executive of the Falekaupule. On Fongafale, the Funafuti Kaupule is responsible for approvals of the construction of houses or extension to an existing buildings on private land and the Lands Management Committee is the responsible authority in relation to lands leased by Government. The installed PV capacity in Funafuti in 2020 was 735 kW compared to 1800 kW of diesel (16% penetration). Tausoa Lima Falekaupule is the traditional meeting house on Funafuti. Tausoalima means "hand of friendship" and Falekaupule means "traditional island meeting hall." There is the Funafuti Lagoon Hotel, and other guesthouses as well as homes, constructed both in the traditional manner, out of palm fronds, and more recently out of cement blocks. The most prominent building on Funafuti atoll is the Fētu'ao Lima (Morning Star Church) of the Church of Tuvalu. Other sites of interest are the remains of Japanese aircraft that crashed on Funafuti during World War II.