What's David Blaine up to? Oh, just hanging around.

The magician-daredevil proclaimed, "I'm doin' all right," after starting his latest endurance challenge Monday _ 60 hours hanging upside-down, without a net, above Wollman Rink in Manhattan's Central Park.

Blaine _ sounding nasal from sinus pressure _ kept smiling while describing the "enormous push of blood" that made it feel like his head was "about to explode."

As a child, he was intrigued when Harry Houdini dangled from a crane by his ankles while escaping a straitjacket.

Said Blaine: "The legs go pin and needle very fast." Stretches _ kind of an upside-down sit-up _ seem to help.

Blaine, 35, is scheduled to exit from his perch at the climax of a live, two-hour ABC special, "David Blaine: Dive of Death," on Wednesday.

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ABC is owned by The Walt Disney Co.

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On the Net:

http://www.davidblaine.com/

http://abc.go.com/specials/davidblaine/index?pnindex