; @3 q9 u8 e6 oEnough to make your head swim: World's largest pool which cost $1bn and holds 66m gallons is so big you can even sail boats on it: R' ~% r$ {6 a! u
The Crystal Lagoon at San Alfonso del Mar resort, Chile, is large enough for sailing and comes with its own fake beach% X% ?' A* {+ B4 P" c% U
By Lyle Brennan % M9 \4 p8 t# n9 }; k* k" m j5.39.217.76PUBLISHED: 08:14 GMT, 21 May 2012 | UPDATED: 12:14 GMT, 21 May 2012 + I* C0 M& F7 l* Btvb now,tvbnow,bttvb7 T+ J D4 O# X6 F
At the San Alfonso del Mar resort in Chile, a quick dip could well turn into a marathon.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。* V9 c0 T S2 I) |& g
f( Q3 l, Z% U) g5.39.217.76Swimming 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.5.39.217.761 r: h$ j. [" ~1 W
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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. D' ]. n: B! R" j4 e9 b4 u* L5.39.217.765.39.217.766 x# Z3 X8 U( e0 w/ A$ @; } 1 J1 x6 R, s& l6 B2 fA 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 a! ~: V# J: v/ U 5 v1 k3 r/ x" T7 `3 aTVBNOW 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。CRYSTAL LAGOON IN NUMBERS5.39.217.768 J& @7 B# T T4 z- K% u2 D" f
Capacity: 66 million gallons
Length:3,323ft
Area: 20 acres
Depth: Up to 115ftTVBNOW 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 ?4 C, j9 C# m) W$ A6 H: s
Temperature: heated to 26Ctvb now,tvbnow,bttvb. X1 ]0 @ ^; g5 V
Estimated cost of construction: £1billion
Cost of upkeep: £2million a year
Construction time: Almost five years 6 {- J$ i9 n4 ?7 a) i
Completed: December 2006
The competition: More than twice the length of the next biggest outdoor pool
% v) V) s, ]% J5 y5 T& F5.39.217.76It 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.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。$ z, j/ W5 x2 D. }0 ?* ^
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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. 2 ~) ~* d" S$ J* X( Z& z/ g8 I, P, \tvb now,tvbnow,bttvbAnd on top of that eye-watering initial cost, it takes a further £2million a year to keep it in working order.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。4 g0 [& M2 _; k8 V9 }
0 p* E4 ^9 U! g' ^# p. ^公仔箱論壇It 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.8 {, f# {8 |9 B/ ]) z) U, y+ P
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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.- t% G+ r$ O. Q: ?# \" J2 r
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Lost at sea: A bather floats on the amazingly clear waters of the vast Crystal Lagoon, at the San Alfonso del Mar resort, Chile + U) b8 N) b E) |9 ~$ X# Q# ^0 n5.39.217.76 , h$ H1 a! E& H% N) B; Q; ntvb now,tvbnow,bttvb 6 f; H& o. ]6 S* K( A& p
Dazzling blue: A small boat sails round a platform jutting into the lagoon's 20-acre expanse2 [; F0 `* `# c. \2 D
0 D2 `' B1 p6 Q& t3 u- ptvb now,tvbnow,bttvb * O6 t) q9 i7 r公仔箱論壇 : \4 m7 I* y. v6 I9 ?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。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 maintenance公仔箱論壇3 i3 i, k% t8 P( c% H
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Man-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 # _6 e9 m$ K" x/ {0 x2 u公仔箱論壇 : v' i7 }. O8 |+ l0 R 公仔箱論壇- l( d' l3 z" {$ P8 \! h
Whatever floats your boat: The record-breaking dimensions mean visitors can paddle or sail their way around the pool instead of swimming* N( ?) v$ a. X g
; h, h8 A- x. |/ |8 R* `8 Ztvb now,tvbnow,bttvb . X7 v; Q$ l/ m7 |) n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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