$ p# F1 C; T& u( T Htvb now,tvbnow,bttvbEnough to make your head swim: World's largest pool which cost $1bn and holds 66m gallons is so big you can even sail boats on it公仔箱論壇+ D) p( D% I D' e, @( v4 n+ f
The Crystal Lagoon at San Alfonso del Mar resort, Chile, is large enough for sailing and comes with its own fake beach' w" l6 q0 a) q0 S! A4 r) b4 D
By Lyle Brennan/ |, g" J; z3 q7 o% b( t
PUBLISHED: 08:14 GMT, 21 May 2012 | UPDATED: 12:14 GMT, 21 May 2012. f N! V0 t; a$ \8 R3 M; J- L
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At the San Alfonso del Mar resort in Chile, a quick dip could well turn into a marathon. 6 b' c2 V2 b0 D5.39.217.76 & e4 J* I; _# v( W5.39.217.76Swimming a length in this, the world's largest outdoor pool, would mean stroke after stroke for more than three fifths of a mile - that's 20 Olympic-size swimming pools.5.39.217.76/ K; I4 B! c( \" [- j, j
公仔箱論壇* \$ e! I* V, \3 ?# d! W" f7 s
The enormous man-made lagoon is set halfway up the country's Pacific coast, in the city of Algarrobo, and is filled with 66 million gallons of crystal clear seawater. : e4 ?: q/ A3 k" H3 L U' J4 d$ g( ^ TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。- u9 i: P' S* I6 f
A little slice of the Pacific: The world's biggest pool is three fifths of a mile long and draws water from the ocean, cleaning it and allowing the sun to warm it to 26C V$ I* b# t4 q, W; g) w
; e. L" \8 v+ p公仔箱論壇CRYSTAL LAGOON IN NUMBERS5.39.217.76- b) \; r# K! V. Y/ a
Capacity: 66 million gallons
Length:3,323ft
Area: 20 acres
Depth: Up to 115ft ( ?: u6 [6 q2 q' _" r! o5 D4 ]5.39.217.76
Temperature: heated to 26C ( i/ \; j- S5 W# |' c6 V
Estimated cost of construction: £1billion
Cost of upkeep: £2million a year
Construction time: Almost five years & Q1 N6 @5 T. ^8 F/ u4 z2 b2 e: h: z5.39.217.76
Completed: December 2006
The competition: More than twice the length of the next biggest outdoor pool
3 J- Z- o8 G9 J5.39.217.76It also hold the Guinness record for the world's deepest - so if you don't feel like diving 115ft to the bottom, it might be best to bring some spare goggles. 4 u K7 j7 _. m9 x+ ~6 G6 ^tvb now,tvbnow,bttvb% J" x8 f% F7 E. K
The pool opened in December 2006 after nearly five years of construction work and is said to have set developers back as much as £1billion. 公仔箱論壇& [- ]# H: d ]+ M( X8 y
And on top of that eye-watering initial cost, it takes a further £2million a year to keep it in working order.5.39.217.76% u% E2 I8 Q. n% j& w) r1 x
/ e, _ a$ C5 k etvb now,tvbnow,bttvbIt uses a computer-controlled suction and filtration system to suck water in from the ocean at one end and pump it out at the other, while the sun warms it to 26C - nine degrees higher than the sea.TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。% s* d% I4 d6 q- P+ |0 k, ^
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The pool's incredible dimensions leave the next biggest floundering in its wake, with the Orthlieb in Morocco measuring a mere 1,575ft long. . N* k4 t, q9 V- W% T0 R4 j3 ?3 I( T) I- M公仔箱論壇 ' V0 A3 P" T) h5 w+ ?0 S z$ Y5 b) u) c* s1 {& jTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。Lost at sea: A bather floats on the amazingly clear waters of the vast Crystal Lagoon, at the San Alfonso del Mar resort, ChileTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。! ]+ |. h9 D" K' l9 Z* x
4 K' @. Q. f- t- jTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。 + I3 F6 W3 D1 P: vDazzling blue: A small boat sails round a platform jutting into the lagoon's 20-acre expanse9 N7 o3 e$ l0 v; z
& ^2 E2 x) p5 f5 I2 `0 @( W0 ?8 E TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。" w* _5 f$ t. w' L3 s; B2 G 5.39.217.76 r) D0 X7 ?" _) }
Big drip: The pool, shown left next to the city of Algarrobo, is thought to have cost £1billion to build and runs up £2million a year in maintenanceTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。% {. O3 ` c& D" t1 E' y. E
5.39.217.76% K8 j! @, p v$ ] . N2 y2 ]; j, H' htvb now,tvbnow,bttvbMan-made paradise: A computer-generated image of the San Alfonso del Mar resort shows how its semi-circular artificial beaches and filtered waters sit right next to the real thing公仔箱論壇2 ~. K2 L- a+ v: t O1 v
, F, m0 Z" G/ |$ C E* O0 A 9 }. m7 \+ N" d: cWhatever floats your boat: The record-breaking dimensions mean visitors can paddle or sail their way around the pool instead of swimmingTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。9 O8 @8 p4 \, _0 c; o! s
: Z' C; M# u% X( B - T7 n5 r; E% N9 {6 I公仔箱論壇By the sea: A couple stroll along the shores of the artificial lake, which is also the world's deepest swimming pool at 115ft
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